helm/www/lambdadelta/basic_2.html

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  22     <div class="head1">cic:/matita/lambdadelta/basic_2/ (core λδ version 2)</div>
  23     <div class="spacer">
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  27       <br />
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  29     <div xmlns:ld="http://lambdadelta.info/" class="text">
  30       <table cellpadding="4" cellspacing="0">
  31         <tbody>
  32           <tr>
  33             <td class="snns capitalize italic sky">
  34               <a href="http://lambdadelta.info/index.html">home</a>
  35             </td>
  36             <td class="snns capitalize italic magenta">
  37               <a href="http://lambdadelta.info/news.html">news</a>
  38             </td>
  39             <td class="snns capitalize italic orange">
  40               <a href="http://lambdadelta.info/documentation.html">documentation</a>
  41             </td>
  42             <td class="snns capitalize italic green">
  43               <a href="http://lambdadelta.info/specification.html">specification</a>
  44             </td>
  45             <td class="snnn capitalize italic green">
  46               <br />
  47             </td>
  48             <td class="ssns capitalize italic green">
  49               <a href="http://lambdadelta.info/implementation.html">implementation</a>
  50             </td>
  51           </tr>
  52           <tr>
  53             <td class="snns capitalize sky">
  54               <a href="http://lambdadelta.info/index.html#foreword">foreword</a>
  55             </td>
  56             <td class="snns capitalize magenta">
  57               <a href="http://lambdadelta.info/news.html#milestones">milestones</a>
  58             </td>
  59             <td class="snns capitalize orange">
  60               <a href="http://lambdadelta.info/documentation.html#v2">version 2</a>
  61             </td>
  62             <td class="snns capitalize green">
  63               <a href="http://lambdadelta.info/specification.html#v2">version 2</a>
  64             </td>
  65             <td class="snnn capitalize green">(<a href="http://lambdadelta.info/ground_2.html">background</a> - <a href="http://lambdadelta.info/basic_2.html">core</a> - <a href="http://lambdadelta.info/apps_2.html">applications</a>)</td>
  66             <td class="ssns capitalize green">
  67               <a href="http://lambdadelta.info/implementation.html#lddl">library</a>
  68             </td>
  69           </tr>
  70           <tr>
  71             <td class="snss capitalize sky">
  72               <a href="http://lambdadelta.info/index.html#citations">citations</a>
  73             </td>
  74             <td class="snss capitalize magenta">
  75               <a href="http://lambdadelta.info/news.html#visibility">visibility</a>
  76             </td>
  77             <td class="snss capitalize orange">
  78               <a href="http://lambdadelta.info/documentation.html#v1">version 1</a>
  79             </td>
  80             <td class="snss capitalize green">
  81               <a href="http://lambdadelta.info/specification.html#v1">version 1</a>
  82             </td>
  83             <td class="snsn capitalize green">
  84               <br />
  85             </td>
  86             <td class="ssss capitalize green">
  87               <a href="http://lambdadelta.info/implementation.html#helena">helena</a>
  88             </td>
  89           </tr>
  90         </tbody>
  91       </table>
  92     </div>
  93
  94
  95    <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="summary">Summary of the Specification <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b4.png" />
  96     </div>
  97    <div xmlns:ld="http://lambdadelta.info/" class="text">Here is a numerical acount of the specification's contents
  98          and its timeline.
  99    </div>
 100    <div xmlns:ld="http://lambdadelta.info/" class="text">
 101       <table cellpadding="4" cellspacing="0">
 102         <tbody>
 103           <tr>
 104             <td class="snns capitalize italic gray">category</td>
 105             <td class="snns italic gray">objects</td>
 106             <td class="snnn right italic gray">
 107               <br />
 108             </td>
 109             <td class="snnn italic gray">
 110               <br />
 111             </td>
 112             <td class="snnn right italic gray">
 113               <br />
 114             </td>
 115             <td class="snnn italic gray">
 116               <br />
 117             </td>
 118             <td class="ssnn right italic gray">
 119               <br />
 120             </td>
 121           </tr>
 122           <tr>
 123             <td class="snns capitalize italic cyan">sizes</td>
 124             <td class="snns italic cyan">files</td>
 125             <td class="snnn right italic cyan">360</td>
 126             <td class="snns italic cyan">characters</td>
 127             <td class="snnn right italic cyan">433402</td>
 128             <td class="snns italic cyan">nodes</td>
 129             <td class="ssnn right italic cyan">1874778</td>
 130           </tr>
 131           <tr>
 132             <td class="snns capitalize italic green">propositions</td>
 133             <td class="snns italic green">theorems</td>
 134             <td class="snnn right italic green">130</td>
 135             <td class="snns italic green">lemmas</td>
 136             <td class="snnn right italic green">1286</td>
 137             <td class="snns italic green">total</td>
 138             <td class="ssnn right italic green">1416</td>
 139           </tr>
 140           <tr>
 141             <td class="snss capitalize italic yellow">concepts</td>
 142             <td class="snss italic yellow">declared</td>
 143             <td class="snsn right italic yellow">54</td>
 144             <td class="snss italic yellow">defined</td>
 145             <td class="snsn right italic yellow">89</td>
 146             <td class="snss italic yellow">total</td>
 147             <td class="sssn right italic yellow">143</td>
 148           </tr>
 149         </tbody>
 150       </table>
 151     </div>
 152
 153    <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="B">Stage "B"</div>
 154    <ul xmlns:ld="http://lambdadelta.info/">
 155       <li>
 156         <span class="emph alpha">Ongoing.</span>
 157          Context-sensitive subject equivalence
 158          for native type assignment.
 159    </li>
 160     </ul>
 161
 162    <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="A">Stage "A": "Extending the Applicability Condition"</div>
 163    <ul xmlns:ld="http://lambdadelta.info/">
 164       <li>
 165         <span class="emph gamma">2014 October 28.</span>
 166          λδ version 2A is released.
 167    </li>
 168     </ul>
 169    <ul xmlns:ld="http://lambdadelta.info/">
 170       <li>
 171         <span class="emph beta">2014 September 9.</span>
 172          Iterated static type assignment defined (more elegantly)
 173          as a primitive notion.
 174    </li>
 175     </ul>
 176    <ul xmlns:ld="http://lambdadelta.info/">
 177       <li>
 178         <span class="emph beta">2014 June 18.</span>
 179          Preservation of stratified native validity
 180          for context-sensitive computation on terms.
 181    </li>
 182     </ul>
 183    <ul xmlns:ld="http://lambdadelta.info/">
 184       <li>
 185         <span class="emph alpha">2014 June 9.</span>
 186          Strong qrst-normalization
 187          for simply typed terms.
 188    </li>
 189     </ul>
 190    <ul xmlns:ld="http://lambdadelta.info/">
 191       <li>
 192         <span class="emph alpha">2014 April 16.</span>
 193          Lazy equivalence on local environments
 194          addded as q-step to rst-computation on closures
 195          (anniversary milestone).
 196    </li>
 197     </ul>
 198    <ul xmlns:ld="http://lambdadelta.info/">
 199       <li>
 200         <span class="emph alpha">2014 January 20.</span>
 201          Parametrized slicing of local environments
 202          comprises both versions of this operation
 203          (one from basic_1, the other used in basic_2 till now).
 204    </li>
 205     </ul>
 206    <ul xmlns:ld="http://lambdadelta.info/">
 207       <li>
 208         <span class="emph alpha">2013 August 7.</span>
 209          Passive support for global environments.
 210    </li>
 211     </ul>
 212    <ul xmlns:ld="http://lambdadelta.info/">
 213       <li>
 214         <span class="emph alpha">2013 July 27.</span>
 215          Reaxiomatized β-reductum as in rt-reduction.
 216    </li>
 217     </ul>
 218    <ul xmlns:ld="http://lambdadelta.info/">
 219       <li>
 220         <span class="emph alpha">2013 July 20.</span>
 221          Context-sensitive strong rt-normalization
 222          for simply typed terms.
 223    </li>
 224     </ul>
 225    <ul xmlns:ld="http://lambdadelta.info/">
 226       <li>
 227         <span class="emph alpha">2013 April 16.</span>
 228          Reaxiomatized substitution and reduction
 229          commute with respect to subclosure
 230          (anniversary milestone).
 231    </li>
 232     </ul>
 233    <ul xmlns:ld="http://lambdadelta.info/">
 234       <li>
 235         <span class="emph alpha">2013 March 16.</span>
 236          Mutual recursive preservation of stratified native validity
 237          for rst-computation on closures.
 238    </li>
 239     </ul>
 240    <ul xmlns:ld="http://lambdadelta.info/">
 241       <li>
 242         <span class="emph alpha">2012 October 16.</span>
 243          Confluence for context-free parallel reduction on closures.
 244    </li>
 245     </ul>
 246    <ul xmlns:ld="http://lambdadelta.info/">
 247       <li>
 248         <span class="emph alpha">2012 July 26.</span>
 249          Term binders polarized to control ζ-reduction (not released).
 250    </li>
 251     </ul>
 252    <ul xmlns:ld="http://lambdadelta.info/">
 253       <li>
 254         <span class="emph alpha">2012 April 16.</span>
 255          Context-sensitive subject equivalence
 256          for atomic arity assignment
 257          (anniversary milestone).
 258    </li>
 259     </ul>
 260    <ul xmlns:ld="http://lambdadelta.info/">
 261       <li>
 262         <span class="emph alpha">2012 March 15.</span>
 263          Context-sensitive strong normalization
 264          for simply typed terms.
 265    </li>
 266     </ul>
 267    <ul xmlns:ld="http://lambdadelta.info/">
 268       <li>
 269         <span class="emph alpha">2012 January 27.</span>
 270          Support for abstract candidates of reducibility.
 271    </li>
 272     </ul>
 273    <ul xmlns:ld="http://lambdadelta.info/">
 274       <li>
 275         <span class="emph alpha">2011 September 21.</span>
 276          Confluence for context-sensitive parallel reduction on terms.
 277    </li>
 278     </ul>
 279    <ul xmlns:ld="http://lambdadelta.info/">
 280       <li>
 281         <span class="emph alpha">2011 September 6.</span>
 282          Confluence for context-free parallel reduction on terms.
 283    </li>
 284     </ul>
 285    <ul xmlns:ld="http://lambdadelta.info/">
 286       <li>
 287         <span class="emph alpha">2011 April 17.</span>
 288          Specification starts.
 289    </li>
 290     </ul>
 291
 292    <div xmlns:ld="http://lambdadelta.info/" class="head2dx" id="structure">Logical Structure of the Specification <img class="icon37" alt="[spacer]" title="lambdadelta butterfly" src="http://lambdadelta.info/images/b4.png" />
 293     </div>
 294    <div xmlns:ld="http://lambdadelta.info/" class="text">This table reports the specification's components and their planes.
 295    </div>
 296    <div xmlns:ld="http://lambdadelta.info/" class="text">
 297       <table cellpadding="4" cellspacing="0">
 298         <tbody>
 299           <tr>
 300             <td class="snns top capitalize italic gray">component</td>
 301             <td class="snns top italic gray">plane</td>
 302             <td class="snns top gray">files</td>
 303             <td class="snnn top gray">
 304               <br />
 305             </td>
 306             <td class="snnn top gray">
 307               <br />
 308             </td>
 309             <td class="ssnn top gray">
 310               <br />
 311             </td>
 312           </tr>
 313           <tr>
 314             <td class="snns top capitalize italic wine">examples</td>
 315             <td class="snns top italic wine">terms with special features</td>
 316             <td class="snns top wine">ex_sta_ldec ex_cpr_omega ex_fpbg_refl ex_snv_eta</td>
 317             <td class="snnn top wine">
 318               <br />
 319             </td>
 320             <td class="snnn top wine">
 321               <br />
 322             </td>
 323             <td class="ssnn top wine">
 324               <br />
 325             </td>
 326           </tr>
 327           <tr>
 328             <td class="snns top capitalize italic magenta" />
 329             <td class="snns top italic magenta" />
 330             <td class="snns top magenta" />
 331             <td class="snnn top magenta">
 332               <br />
 333             </td>
 334             <td class="snnn top magenta">
 335               <br />
 336             </td>
 337             <td class="ssnn top magenta">
 338               <br />
 339             </td>
 340           </tr>
 341           <tr>
 342             <td class="snns top capitalize italic prune">dynamic typing</td>
 343             <td class="snns top italic prune">local env. ref. for stratified native validity</td>
 344             <td class="snns top prune">lsubsv ( ? ⊢ ? ⫃¡[?,?] ? )</td>
 345             <td class="snnn top prune">lsubsv_lsuba lsubsv_lsubd lsubsv_lstas lsubsv_scpds lsubsv_cpcs lsubsv_snv</td>
 346             <td class="snnn top prune">
 347               <br />
 348             </td>
 349             <td class="ssnn top prune">
 350               <br />
 351             </td>
 352           </tr>
 353           <tr>
 354             <td class="nnns top capitalize italic prune">
 355               <br />
 356             </td>
 357             <td class="snns top italic prune">stratified native validity</td>
 358             <td class="snns top prune">shnv ( ⦃?,?⦄ ⊢ ? ¡[?,?,?] )</td>
 359             <td class="snnn top prune">
 360               <br />
 361             </td>
 362             <td class="snnn top prune">
 363               <br />
 364             </td>
 365             <td class="ssnn top prune">
 366               <br />
 367             </td>
 368           </tr>
 369           <tr>
 370             <td class="nnns top capitalize italic prune">
 371               <br />
 372             </td>
 373             <td class="nnns top italic prune">
 374               <br />
 375             </td>
 376             <td class="snns top prune">snv ( ⦃?,?⦄ ⊢ ? ¡[?,?] )</td>
 377             <td class="snnn top prune">snv_lift snv_aaa snv_da_lpr snv_lstas snv_lstas_lpr snv_lpr snv_fsb snv_scpes snv_preserve</td>
 378             <td class="snnn top prune">
 379               <br />
 380             </td>
 381             <td class="ssnn top prune">
 382               <br />
 383             </td>
 384           </tr>
 385           <tr>
 386             <td class="snns top capitalize italic blue">equivalence</td>
 387             <td class="snns top italic blue">decomposed rt-equivalence</td>
 388             <td class="snns top blue">scpes ( ⦃?,?⦄ ⊢ ? •*⬌*[?,?,?,?] ? )</td>
 389             <td class="snnn top blue">scpes_aaa scpes_cpcs scpes_scpes</td>
 390             <td class="snnn top blue">
 391               <br />
 392             </td>
 393             <td class="ssnn top blue">
 394               <br />
 395             </td>
 396           </tr>
 397           <tr>
 398             <td class="nnns top capitalize italic blue">
 399               <br />
 400             </td>
 401             <td class="snns top italic blue">context-sensitive equivalence</td>
 402             <td class="snns top blue">cpcs ( ⦃?,?⦄ ⊢ ? ⬌* ? )</td>
 403             <td class="snnn top blue">cpcs_aaa cpcs_cprs cpcs_cpcs</td>
 404             <td class="snnn top blue">
 405               <br />
 406             </td>
 407             <td class="ssnn top blue">
 408               <br />
 409             </td>
 410           </tr>
 411           <tr>
 412             <td class="snns top capitalize italic sky">conversion</td>
 413             <td class="snns top italic sky">context-sensitive conversion</td>
 414             <td class="snns top sky">cpc ( ⦃?,?⦄ ⊢ ? ⬌ ? )</td>
 415             <td class="snnn top sky">cpc_cpc</td>
 416             <td class="snnn top sky">
 417               <br />
 418             </td>
 419             <td class="ssnn top sky">
 420               <br />
 421             </td>
 422           </tr>
 423           <tr>
 424             <td class="snns top capitalize italic cyan">computation</td>
 425             <td class="snns top italic cyan">evaluation for context-sensitive rt-reduction</td>
 426             <td class="snns top cyan">cpxe ( ⦃?,?⦄ ⊢ ➡*[?,?] 𝐍⦃?⦄ )</td>
 427             <td class="snnn top cyan">
 428               <br />
 429             </td>
 430             <td class="snnn top cyan">
 431               <br />
 432             </td>
 433             <td class="ssnn top cyan">
 434               <br />
 435             </td>
 436           </tr>
 437           <tr>
 438             <td class="nnns top capitalize italic cyan">
 439               <br />
 440             </td>
 441             <td class="snns top italic cyan">evaluation for context-sensitive reduction</td>
 442             <td class="snns top cyan">cpre ( ⦃?,?⦄ ⊢ ➡* 𝐍⦃?⦄ )</td>
 443             <td class="snnn top cyan">cpre_cpre</td>
 444             <td class="snnn top cyan">
 445               <br />
 446             </td>
 447             <td class="ssnn top cyan">
 448               <br />
 449             </td>
 450           </tr>
 451           <tr>
 452             <td class="nnns top capitalize italic cyan">
 453               <br />
 454             </td>
 455             <td class="snns top italic cyan">strongly normalizing qrst-computation</td>
 456             <td class="snns top cyan">fsb ( ⦥[?,?] ⦃?,?,?⦄ )</td>
 457             <td class="snnn top cyan">fsb_alt ( ⦥⦥[?,?] ⦃?,?,?⦄ )</td>
 458             <td class="snnn top cyan">fsb_aaa fsb_csx</td>
 459             <td class="ssnn top cyan">
 460               <br />
 461             </td>
 462           </tr>
 463           <tr>
 464             <td class="nnns top capitalize italic cyan">
 465               <br />
 466             </td>
 467             <td class="snns top italic cyan">strongly normalizing rt-computation</td>
 468             <td class="snns top cyan">lcosx ( ? ⊢ ~⬊*[?,?,?] ? )</td>
 469             <td class="snnn top cyan">lcosx_cpx</td>
 470             <td class="snnn top cyan">
 471               <br />
 472             </td>
 473             <td class="ssnn top cyan">
 474               <br />
 475             </td>
 476           </tr>
 477           <tr>
 478             <td class="nnns top capitalize italic cyan">
 479               <br />
 480             </td>
 481             <td class="nnns top italic cyan">
 482               <br />
 483             </td>
 484             <td class="snns top cyan">lsx ( ? ⊢ ⬊*[?,?,?,?] ? )</td>
 485             <td class="snnn top cyan">lsx_alt ( ? ⊢ ⬊⬊*[?,?,?,?] ? )</td>
 486             <td class="snnn top cyan">lsx_drop lsx_lpx lsx_lpxs llsx_csx</td>
 487             <td class="ssnn top cyan">
 488               <br />
 489             </td>
 490           </tr>
 491           <tr>
 492             <td class="nnns top capitalize italic cyan">
 493               <br />
 494             </td>
 495             <td class="nnns top italic cyan">
 496               <br />
 497             </td>
 498             <td class="snns top cyan">csx_vector ( ⦃?,?⦄ ⊢ ⬊*[?,?] ? )</td>
 499             <td class="snnn top cyan">csx_tsts_vector csx_aaa</td>
 500             <td class="snnn top cyan">
 501               <br />
 502             </td>
 503             <td class="ssnn top cyan">
 504               <br />
 505             </td>
 506           </tr>
 507           <tr>
 508             <td class="nnns top capitalize italic cyan">
 509               <br />
 510             </td>
 511             <td class="nnns top italic cyan">
 512               <br />
 513             </td>
 514             <td class="snns top cyan">csx ( ⦃?,?⦄ ⊢ ⬊*[?,?] ? )</td>
 515             <td class="snnn top cyan">csx_alt ( ⦃?,?⦄ ⊢ ⬊⬊*[?,?] ? )</td>
 516             <td class="snnn top cyan">csx_lift csx_lleq csx_lpx csx_lpxs csx_fpbs</td>
 517             <td class="ssnn top cyan">
 518               <br />
 519             </td>
 520           </tr>
 521           <tr>
 522             <td class="nnns top capitalize italic cyan">
 523               <br />
 524             </td>
 525             <td class="snns top italic cyan">parallel qrst-computation</td>
 526             <td class="snns top cyan">fpbg ( ⦃?,?,?⦄ &gt;≡[?,?] ⦃?,?,?⦄ )</td>
 527             <td class="snnn top cyan">fpbg_lift fpbg_fleq fpbg_fpbs fpbg_fpbg</td>
 528             <td class="snnn top cyan">
 529               <br />
 530             </td>
 531             <td class="ssnn top cyan">
 532               <br />
 533             </td>
 534           </tr>
 535           <tr>
 536             <td class="nnns top capitalize italic cyan">
 537               <br />
 538             </td>
 539             <td class="nnns top italic cyan">
 540               <br />
 541             </td>
 542             <td class="snns top cyan">fpbs ( ⦃?,?,?⦄ ≥[?,?] ⦃?,?,?⦄ )</td>
 543             <td class="snnn top cyan">fpbs_alt ( ⦃?,?,?⦄ ≥≥[?,?] ⦃?,?,?⦄ )</td>
 544             <td class="snnn top cyan">fpbs_lift fpbs_aaa fpbs_fpb fpbs_fpbs</td>
 545             <td class="ssnn top cyan">
 546               <br />
 547             </td>
 548           </tr>
 549           <tr>
 550             <td class="nnns top capitalize italic cyan">
 551               <br />
 552             </td>
 553             <td class="snns top italic cyan">decomposed rt-computation</td>
 554             <td class="snns top cyan">scpds ( ⦃?,?⦄ ⊢ ? •*➡*[?,?,?] ? )</td>
 555             <td class="snnn top cyan">scpds_lift scpds_aaa scpds_scpds</td>
 556             <td class="snnn top cyan">
 557               <br />
 558             </td>
 559             <td class="ssnn top cyan">
 560               <br />
 561             </td>
 562           </tr>
 563           <tr>
 564             <td class="nnns top capitalize italic cyan">
 565               <br />
 566             </td>
 567             <td class="snns top italic cyan">context-sensitive rt-computation</td>
 568             <td class="snns top cyan">lpxs ( ⦃?,?⦄ ⊢ ➡*[?,?] ? )</td>
 569             <td class="snnn top cyan">lpxs_drop lpxs_lleq lpxs_aaa lpxs_cpxs lpxs_lpxs</td>
 570             <td class="snnn top cyan">
 571               <br />
 572             </td>
 573             <td class="ssnn top cyan">
 574               <br />
 575             </td>
 576           </tr>
 577           <tr>
 578             <td class="nnns top capitalize italic cyan">
 579               <br />
 580             </td>
 581             <td class="nnns top italic cyan">
 582               <br />
 583             </td>
 584             <td class="snns top cyan">cpxs ( ⦃?,?⦄ ⊢ ? ➡*[?,?] ? )</td>
 585             <td class="snnn top cyan">cpxs_tsts cpxs_tsts_vector cpxs_lreq cpxs_lift cpxs_lleq cpxs_aaa cpxs_cpxs</td>
 586             <td class="snnn top cyan">
 587               <br />
 588             </td>
 589             <td class="ssnn top cyan">
 590               <br />
 591             </td>
 592           </tr>
 593           <tr>
 594             <td class="nnns top capitalize italic cyan">
 595               <br />
 596             </td>
 597             <td class="snns top italic cyan">context-sensitive computation</td>
 598             <td class="snns top cyan">lprs ( ⦃?,?⦄ ⊢ ➡* ? )</td>
 599             <td class="snnn top cyan">lprs_drop lprs_cprs lprs_lprs</td>
 600             <td class="snnn top cyan">
 601               <br />
 602             </td>
 603             <td class="ssnn top cyan">
 604               <br />
 605             </td>
 606           </tr>
 607           <tr>
 608             <td class="nnns top capitalize italic cyan">
 609               <br />
 610             </td>
 611             <td class="nnns top italic cyan">
 612               <br />
 613             </td>
 614             <td class="snns top cyan">cprs ( ⦃?,?⦄ ⊢ ? ➡* ?)</td>
 615             <td class="snnn top cyan">cprs_lift cprs_cprs</td>
 616             <td class="snnn top cyan">
 617               <br />
 618             </td>
 619             <td class="ssnn top cyan">
 620               <br />
 621             </td>
 622           </tr>
 623           <tr>
 624             <td class="nnns top capitalize italic cyan">
 625               <br />
 626             </td>
 627             <td class="snns top italic cyan">local env. ref. for generic reducibility</td>
 628             <td class="snns top cyan">lsubc ( ? ⊢ ? ⫃[?] ? )</td>
 629             <td class="snnn top cyan">lsubc_drop lsubc_drops lsubc_lsuba</td>
 630             <td class="snnn top cyan">
 631               <br />
 632             </td>
 633             <td class="ssnn top cyan">
 634               <br />
 635             </td>
 636           </tr>
 637           <tr>
 638             <td class="nnns top capitalize italic cyan">
 639               <br />
 640             </td>
 641             <td class="snns top italic cyan">support for generic computation properties</td>
 642             <td class="snns top cyan">gcp</td>
 643             <td class="snnn top cyan">gcp_cr ( ⦃?,?,?⦄ ϵ[?] 〚?〛 )</td>
 644             <td class="snnn top cyan">gcp_aaa</td>
 645             <td class="ssnn top cyan">
 646               <br />
 647             </td>
 648           </tr>
 649           <tr>
 650             <td class="snns top capitalize italic water">reduction</td>
 651             <td class="snns top italic water">parallel qrst-reduction</td>
 652             <td class="snns top water">fpbq ( ⦃?,?,?⦄ ≽[?,?] ⦃?,?,?⦄ )</td>
 653             <td class="snnn top water">fpbq_alt ( ⦃?,?,?⦄ ≽≽[?,?] ⦃?,?,?⦄ )</td>
 654             <td class="snnn top water">fpbq_lift fpbq_aaa</td>
 655             <td class="ssnn top water">
 656               <br />
 657             </td>
 658           </tr>
 659           <tr>
 660             <td class="nnns top capitalize italic water">
 661               <br />
 662             </td>
 663             <td class="nnns top italic water">
 664               <br />
 665             </td>
 666             <td class="snns top water">fpb ( ⦃?,?,?⦄ ≻[?,?] ⦃?,?,?⦄ )</td>
 667             <td class="snnn top water">fpb_lift fpb_lleq fpb_fleq</td>
 668             <td class="snnn top water">
 669               <br />
 670             </td>
 671             <td class="ssnn top water">
 672               <br />
 673             </td>
 674           </tr>
 675           <tr>
 676             <td class="nnns top capitalize italic water">
 677               <br />
 678             </td>
 679             <td class="snns top italic water">normal forms for context-sensitive rt-reduction</td>
 680             <td class="snns top water">cnx ( ⦃?,?⦄ ⊢ ➡[?,?] 𝐍⦃?⦄ )</td>
 681             <td class="snnn top water">cnx_lift cnx_crx cnx_cix</td>
 682             <td class="snnn top water">
 683               <br />
 684             </td>
 685             <td class="ssnn top water">
 686               <br />
 687             </td>
 688           </tr>
 689           <tr>
 690             <td class="nnns top capitalize italic water">
 691               <br />
 692             </td>
 693             <td class="snns top italic water">context-sensitive rt-reduction</td>
 694             <td class="snns top water">lpx ( ⦃?,?⦄ ⊢ ➡[?,?] ? )</td>
 695             <td class="snnn top water">lpx_drop lpx_frees lpx_lleq lpx_aaa</td>
 696             <td class="snnn top water">
 697               <br />
 698             </td>
 699             <td class="ssnn top water">
 700               <br />
 701             </td>
 702           </tr>
 703           <tr>
 704             <td class="nnns top capitalize italic water">
 705               <br />
 706             </td>
 707             <td class="nnns top italic water">
 708               <br />
 709             </td>
 710             <td class="snns top water">cpx ( ⦃?,?⦄ ⊢ ? ➡[?,?] ? )</td>
 711             <td class="snnn top water">cpx_lreq cpx_lift cpx_llpx_sn cpx_lleq cpx_cix</td>
 712             <td class="snnn top water">
 713               <br />
 714             </td>
 715             <td class="ssnn top water">
 716               <br />
 717             </td>
 718           </tr>
 719           <tr>
 720             <td class="nnns top capitalize italic water">
 721               <br />
 722             </td>
 723             <td class="snns top italic water">irreducible forms for context-sensitive rt-reduction</td>
 724             <td class="snns top water">cix ( ⦃?,?⦄ ⊢ ➡[?,?] 𝐈⦃?⦄ )</td>
 725             <td class="snnn top water">cix_lift</td>
 726             <td class="snnn top water">
 727               <br />
 728             </td>
 729             <td class="ssnn top water">
 730               <br />
 731             </td>
 732           </tr>
 733           <tr>
 734             <td class="nnns top capitalize italic water">
 735               <br />
 736             </td>
 737             <td class="snns top italic water">reducible forms for context-sensitive rt-reduction</td>
 738             <td class="snns top water">crx ( ⦃?,?⦄ ⊢ ➡[?,?] 𝐑⦃?⦄ )</td>
 739             <td class="snnn top water">crx_lift</td>
 740             <td class="snnn top water">
 741               <br />
 742             </td>
 743             <td class="ssnn top water">
 744               <br />
 745             </td>
 746           </tr>
 747           <tr>
 748             <td class="nnns top capitalize italic water">
 749               <br />
 750             </td>
 751             <td class="snns top italic water">normal forms for context-sensitive reduction</td>
 752             <td class="snns top water">cnr ( ⦃?,?⦄ ⊢ ➡ 𝐍⦃?⦄ )</td>
 753             <td class="snnn top water">cnr_lift cnr_crr cnr_cir</td>
 754             <td class="snnn top water">
 755               <br />
 756             </td>
 757             <td class="ssnn top water">
 758               <br />
 759             </td>
 760           </tr>
 761           <tr>
 762             <td class="nnns top capitalize italic water">
 763               <br />
 764             </td>
 765             <td class="snns top italic water">context-sensitive reduction</td>
 766             <td class="snns top water">lpr ( ⦃?,?⦄ ⊢ ➡ ? )</td>
 767             <td class="snnn top water">lpr_drop lpr_lpr</td>
 768             <td class="snnn top water">
 769               <br />
 770             </td>
 771             <td class="ssnn top water">
 772               <br />
 773             </td>
 774           </tr>
 775           <tr>
 776             <td class="nnns top capitalize italic water">
 777               <br />
 778             </td>
 779             <td class="nnns top italic water">
 780               <br />
 781             </td>
 782             <td class="snns top water">cpr ( ⦃?,?⦄ ⊢ ? ➡ ? )</td>
 783             <td class="snnn top water">cpr_lift cpr_llpx_sn cpr_cir</td>
 784             <td class="snnn top water">
 785               <br />
 786             </td>
 787             <td class="ssnn top water">
 788               <br />
 789             </td>
 790           </tr>
 791           <tr>
 792             <td class="nnns top capitalize italic water">
 793               <br />
 794             </td>
 795             <td class="snns top italic water">irreducible forms for context-sensitive reduction</td>
 796             <td class="snns top water">cir ( ⦃?,?⦄ ⊢ ➡ 𝐈⦃?⦄ )</td>
 797             <td class="snnn top water">cir_lift</td>
 798             <td class="snnn top water">
 799               <br />
 800             </td>
 801             <td class="ssnn top water">
 802               <br />
 803             </td>
 804           </tr>
 805           <tr>
 806             <td class="nnns top capitalize italic water">
 807               <br />
 808             </td>
 809             <td class="snns top italic water">reducible forms for context-sensitive reduction</td>
 810             <td class="snns top water">crr ( ⦃?,?⦄ ⊢ ➡ 𝐑⦃?⦄ )</td>
 811             <td class="snnn top water">crr_lift</td>
 812             <td class="snnn top water">
 813               <br />
 814             </td>
 815             <td class="ssnn top water">
 816               <br />
 817             </td>
 818           </tr>
 819           <tr>
 820             <td class="snns top capitalize italic green">unfold</td>
 821             <td class="snns top italic green">unfold</td>
 822             <td class="snns top green">unfold ( ⦃?,?⦄ ⊢ ? ⧫* ? )</td>
 823             <td class="snnn top green">
 824               <br />
 825             </td>
 826             <td class="snnn top green">
 827               <br />
 828             </td>
 829             <td class="ssnn top green">
 830               <br />
 831             </td>
 832           </tr>
 833           <tr>
 834             <td class="nnns top capitalize italic green">
 835               <br />
 836             </td>
 837             <td class="snns top italic green">iterated static type assignment</td>
 838             <td class="snns top green">lstas ( ⦃?,?⦄ ⊢ ? •*[?,?] ? )</td>
 839             <td class="snnn top green">lstas_lift lstas_llpx_sn.ma lstas_aaa lstas_da lstas_lstas</td>
 840             <td class="snnn top green">
 841               <br />
 842             </td>
 843             <td class="ssnn top green">
 844               <br />
 845             </td>
 846           </tr>
 847           <tr>
 848             <td class="snns top capitalize italic grass">static typing</td>
 849             <td class="snns top italic grass">local env. ref. for degree assignment</td>
 850             <td class="snns top grass">lsubd ( ? ⊢ ? ⫃▪[?,?] ? )</td>
 851             <td class="snnn top grass">lsubd_da lsubd_lsubd</td>
 852             <td class="snnn top grass">
 853               <br />
 854             </td>
 855             <td class="ssnn top grass">
 856               <br />
 857             </td>
 858           </tr>
 859           <tr>
 860             <td class="nnns top capitalize italic grass">
 861               <br />
 862             </td>
 863             <td class="snns top italic grass">degree assignment</td>
 864             <td class="snns top grass">da ( ⦃?,?⦄ ⊢ ? ▪[?,?] ? )</td>
 865             <td class="snnn top grass">da_lift da_aaa da_da</td>
 866             <td class="snnn top grass">
 867               <br />
 868             </td>
 869             <td class="ssnn top grass">
 870               <br />
 871             </td>
 872           </tr>
 873           <tr>
 874             <td class="nnns top capitalize italic grass">
 875               <br />
 876             </td>
 877             <td class="snns top italic grass">parameters</td>
 878             <td class="snns top grass">sh</td>
 879             <td class="snnn top grass">sd</td>
 880             <td class="snnn top grass">
 881               <br />
 882             </td>
 883             <td class="ssnn top grass">
 884               <br />
 885             </td>
 886           </tr>
 887           <tr>
 888             <td class="nnns top capitalize italic grass">
 889               <br />
 890             </td>
 891             <td class="snns top italic grass">local env. ref. for atomic arity assignment</td>
 892             <td class="snns top grass">lsuba ( ? ⊢ ? ⫃⁝ ? )</td>
 893             <td class="snnn top grass">lsuba_aaa lsuba_lsuba</td>
 894             <td class="snnn top grass">
 895               <br />
 896             </td>
 897             <td class="ssnn top grass">
 898               <br />
 899             </td>
 900           </tr>
 901           <tr>
 902             <td class="nnns top capitalize italic grass">
 903               <br />
 904             </td>
 905             <td class="snns top italic grass">atomic arity assignment</td>
 906             <td class="snns top grass">aaa ( ⦃?,?⦄ ⊢ ? ⁝ ? )</td>
 907             <td class="snnn top grass">aaa_lift aaa_lifts aaa_fqus aaa_lleq aaa_aaa</td>
 908             <td class="snnn top grass">
 909               <br />
 910             </td>
 911             <td class="ssnn top grass">
 912               <br />
 913             </td>
 914           </tr>
 915           <tr>
 916             <td class="nnns top capitalize italic grass">
 917               <br />
 918             </td>
 919             <td class="snns top italic grass">restricted local env. ref.</td>
 920             <td class="snns top grass">lsubr ( ? ⫃ ? )</td>
 921             <td class="snnn top grass">lsubr_lsubr</td>
 922             <td class="snnn top grass">
 923               <br />
 924             </td>
 925             <td class="ssnn top grass">
 926               <br />
 927             </td>
 928           </tr>
 929           <tr>
 930             <td class="snns top capitalize italic yellow">multiple substitution</td>
 931             <td class="snns top italic yellow">lazy equivalence</td>
 932             <td class="snns top yellow">fleq ( ⦃?,?,?⦄ ≡[?] ⦃?,?,?⦄ )</td>
 933             <td class="snnn top yellow">fleq_fleq</td>
 934             <td class="snnn top yellow">
 935               <br />
 936             </td>
 937             <td class="ssnn top yellow">
 938               <br />
 939             </td>
 940           </tr>
 941           <tr>
 942             <td class="nnns top capitalize italic yellow">
 943               <br />
 944             </td>
 945             <td class="nnns top italic yellow">
 946               <br />
 947             </td>
 948             <td class="snns top yellow">lleq ( ? ≡[?,?] ? )</td>
 949             <td class="snnn top yellow">lleq_alt lleq_alt_rec lleq_lreq lleq_drop lleq_fqus lleq_llor lleq_lleq</td>
 950             <td class="snnn top yellow">
 951               <br />
 952             </td>
 953             <td class="ssnn top yellow">
 954               <br />
 955             </td>
 956           </tr>
 957           <tr>
 958             <td class="nnns top capitalize italic yellow">
 959               <br />
 960             </td>
 961             <td class="snns top italic yellow">lazy pointwise extension of a relation</td>
 962             <td class="snns top yellow">llpx_sn</td>
 963             <td class="snnn top yellow">llpx_sn_alt llpx_sn_alt_rec llpx_sn_tc llpx_sn_lreq llpx_sn_drop llpx_sn_lpx_sn llpx_sn_frees llpx_sn_llor</td>
 964             <td class="snnn top yellow">
 965               <br />
 966             </td>
 967             <td class="ssnn top yellow">
 968               <br />
 969             </td>
 970           </tr>
 971           <tr>
 972             <td class="nnns top capitalize italic yellow">
 973               <br />
 974             </td>
 975             <td class="snns top italic yellow">pointwise union for local environments</td>
 976             <td class="snns top yellow">llor ( ? ⋓[?,?] ? ≡ ? )</td>
 977             <td class="snnn top yellow">llor_alt llor_drop</td>
 978             <td class="snnn top yellow">
 979               <br />
 980             </td>
 981             <td class="ssnn top yellow">
 982               <br />
 983             </td>
 984           </tr>
 985           <tr>
 986             <td class="nnns top capitalize italic yellow">
 987               <br />
 988             </td>
 989             <td class="snns top italic yellow">context-sensitive exclusion from free variables</td>
 990             <td class="snns top yellow">frees ( ? ⊢ ? ϵ 𝐅*[?]⦃?⦄ )</td>
 991             <td class="snnn top yellow">frees_append frees_lreq frees_lift</td>
 992             <td class="snnn top yellow">
 993               <br />
 994             </td>
 995             <td class="ssnn top yellow">
 996               <br />
 997             </td>
 998           </tr>
 999           <tr>
1000             <td class="nnns top capitalize italic yellow">
1001               <br />
1002             </td>
1003             <td class="snns top italic yellow">contxt-sensitive multiple rt-substitution</td>
1004             <td class="snns top yellow">cpys ( ⦃?,?⦄ ⊢ ? ▶*[?,?] ? )</td>
1005             <td class="snnn top yellow">cpys_alt ( ⦃?,?⦄ ⊢ ? ▶▶*[?,?] ? )</td>
1006             <td class="snnn top yellow">cpys_lift cpys_cpys</td>
1007             <td class="ssnn top yellow">
1008               <br />
1009             </td>
1010           </tr>
1011           <tr>
1012             <td class="nnns top capitalize italic yellow">
1013               <br />
1014             </td>
1015             <td class="snns top italic yellow">iterated structural successor for closures</td>
1016             <td class="snns top yellow">fqus ( ⦃?,?,?⦄ ⊐* ⦃?,?,?⦄ )</td>
1017             <td class="snnn top yellow">fqus_alt fqus_fqus</td>
1018             <td class="snnn top yellow">
1019               <br />
1020             </td>
1021             <td class="ssnn top yellow">
1022               <br />
1023             </td>
1024           </tr>
1025           <tr>
1026             <td class="nnns top capitalize italic yellow">
1027               <br />
1028             </td>
1029             <td class="nnns top italic yellow">
1030               <br />
1031             </td>
1032             <td class="snns top yellow">fqup ( ⦃?,?,?⦄ ⊐+ ⦃?,?,?⦄ )</td>
1033             <td class="snnn top yellow">fqup_fqup</td>
1034             <td class="snnn top yellow">
1035               <br />
1036             </td>
1037             <td class="ssnn top yellow">
1038               <br />
1039             </td>
1040           </tr>
1041           <tr>
1042             <td class="nnns top capitalize italic yellow">
1043               <br />
1044             </td>
1045             <td class="snns top italic yellow">iterated local env. slicing</td>
1046             <td class="snns top yellow">drops ( ⬇*[?,?] ? ≡ ? )</td>
1047             <td class="snnn top yellow">drops_drop drops_drops</td>
1048             <td class="snnn top yellow">
1049               <br />
1050             </td>
1051             <td class="ssnn top yellow">
1052               <br />
1053             </td>
1054           </tr>
1055           <tr>
1056             <td class="nnns top capitalize italic yellow">
1057               <br />
1058             </td>
1059             <td class="snns top italic yellow">generic term relocation</td>
1060             <td class="snns top yellow">lifts_vector ( ⬆*[?] ? ≡ ? )</td>
1061             <td class="snnn top yellow">lifts_lift_vector</td>
1062             <td class="snnn top yellow">
1063               <br />
1064             </td>
1065             <td class="ssnn top yellow">
1066               <br />
1067             </td>
1068           </tr>
1069           <tr>
1070             <td class="nnns top capitalize italic yellow">
1071               <br />
1072             </td>
1073             <td class="nnns top italic yellow">
1074               <br />
1075             </td>
1076             <td class="snns top yellow">lifts ( ⬆*[?] ? ≡ ? )</td>
1077             <td class="snnn top yellow">lifts_lift lifts_lifts</td>
1078             <td class="snnn top yellow">
1079               <br />
1080             </td>
1081             <td class="ssnn top yellow">
1082               <br />
1083             </td>
1084           </tr>
1085           <tr>
1086             <td class="nnns top capitalize italic yellow">
1087               <br />
1088             </td>
1089             <td class="snns top italic yellow">support for multiple relocation</td>
1090             <td class="snns top yellow">mr2 ( @⦃?,?⦄ ≡ ? )</td>
1091             <td class="snnn top yellow">mr2_plus ( ? + ? )</td>
1092             <td class="snnn top yellow">mr2_minus ( ? ▭ ? ≡ ? )</td>
1093             <td class="ssnn top yellow">mr2_mr2</td>
1094           </tr>
1095           <tr>
1096             <td class="snns top capitalize italic orange">substitution</td>
1097             <td class="snns top italic orange">structural successor for closures</td>
1098             <td class="snns top orange">fquq ( ⦃?,?,?⦄ ⊐⸮ ⦃?,?,?⦄ )</td>
1099             <td class="snnn top orange">fquq_alt ( ⦃?,?,?⦄ ⊐⊐⸮ ⦃?,?,?⦄ )</td>
1100             <td class="snnn top orange">
1101               <br />
1102             </td>
1103             <td class="ssnn top orange">
1104               <br />
1105             </td>
1106           </tr>
1107           <tr>
1108             <td class="nnns top capitalize italic orange">
1109               <br />
1110             </td>
1111             <td class="nnns top italic orange">
1112               <br />
1113             </td>
1114             <td class="snns top orange">fqu ( ⦃?,?,?⦄ ⊐ ⦃?,?,?⦄ )</td>
1115             <td class="snnn top orange">
1116               <br />
1117             </td>
1118             <td class="snnn top orange">
1119               <br />
1120             </td>
1121             <td class="ssnn top orange">
1122               <br />
1123             </td>
1124           </tr>
1125           <tr>
1126             <td class="nnns top capitalize italic orange">
1127               <br />
1128             </td>
1129             <td class="snns top italic orange">global env. slicing</td>
1130             <td class="snns top orange">gget ( ⬇[?] ? ≡ ? )</td>
1131             <td class="snnn top orange">gget_gget</td>
1132             <td class="snnn top orange">
1133               <br />
1134             </td>
1135             <td class="ssnn top orange">
1136               <br />
1137             </td>
1138           </tr>
1139           <tr>
1140             <td class="nnns top capitalize italic orange">
1141               <br />
1142             </td>
1143             <td class="snns top italic orange">contxt-sensitive ordinary rt-substitution</td>
1144             <td class="snns top orange">cpy ( ⦃?,?⦄ ⊢ ? ▶[?,?] ? )</td>
1145             <td class="snnn top orange">cpy_lift cpy_nlift cpy_cpy</td>
1146             <td class="snnn top orange">
1147               <br />
1148             </td>
1149             <td class="ssnn top orange">
1150               <br />
1151             </td>
1152           </tr>
1153           <tr>
1154             <td class="nnns top capitalize italic orange">
1155               <br />
1156             </td>
1157             <td class="snns top italic orange">local env. ref. for rt-substitution</td>
1158             <td class="snns top orange">lsuby ( ? ⊆[?,?] ? )</td>
1159             <td class="snnn top orange">lsuby_lsuby</td>
1160             <td class="snnn top orange">
1161               <br />
1162             </td>
1163             <td class="ssnn top orange">
1164               <br />
1165             </td>
1166           </tr>
1167           <tr>
1168             <td class="nnns top capitalize italic orange">
1169               <br />
1170             </td>
1171             <td class="snns top italic orange">pointwise extension of a relation</td>
1172             <td class="snns top orange">lpx_sn</td>
1173             <td class="snnn top orange">lpx_sn_alt lpx_sn_tc lpx_sn_drop lpx_sn_lpx_sn</td>
1174             <td class="snnn top orange">
1175               <br />
1176             </td>
1177             <td class="ssnn top orange">
1178               <br />
1179             </td>
1180           </tr>
1181           <tr>
1182             <td class="nnns top capitalize italic orange">
1183               <br />
1184             </td>
1185             <td class="snns top italic orange">basic local env. slicing</td>
1186             <td class="snns top orange">drop ( ⬇[?,?,?] ? ≡ ? )</td>
1187             <td class="snnn top orange">drop_append drop_lreq drop_drop</td>
1188             <td class="snnn top orange">
1189               <br />
1190             </td>
1191             <td class="ssnn top orange">
1192               <br />
1193             </td>
1194           </tr>
1195           <tr>
1196             <td class="nnns top capitalize italic orange">
1197               <br />
1198             </td>
1199             <td class="snns top italic orange">basic term relocation</td>
1200             <td class="snns top orange">lift_vector ( ⬆[?,?] ? ≡ ? )</td>
1201             <td class="snnn top orange">lift_lift_vector</td>
1202             <td class="snnn top orange">
1203               <br />
1204             </td>
1205             <td class="ssnn top orange">
1206               <br />
1207             </td>
1208           </tr>
1209           <tr>
1210             <td class="nnns top capitalize italic orange">
1211               <br />
1212             </td>
1213             <td class="nnns top italic orange">
1214               <br />
1215             </td>
1216             <td class="snns top orange">lift ( ⬆[?,?] ? ≡ ? )</td>
1217             <td class="snnn top orange">lift_neq lift_lift</td>
1218             <td class="snnn top orange">
1219               <br />
1220             </td>
1221             <td class="ssnn top orange">
1222               <br />
1223             </td>
1224           </tr>
1225           <tr>
1226             <td class="snns top capitalize italic red">grammar</td>
1227             <td class="snns top italic red">equivalence for local environments</td>
1228             <td class="snns top red">lreq ( ? ⩬[?,?] ? )</td>
1229             <td class="snnn top red">lreq_lreq</td>
1230             <td class="snnn top red">
1231               <br />
1232             </td>
1233             <td class="ssnn top red">
1234               <br />
1235             </td>
1236           </tr>
1237           <tr>
1238             <td class="nnns top capitalize italic red">
1239               <br />
1240             </td>
1241             <td class="snns top italic red">same top term structure</td>
1242             <td class="snns top red">tsts ( ? ≂ ? )</td>
1243             <td class="snnn top red">tsts_tsts tsts_vector</td>
1244             <td class="snnn top red">
1245               <br />
1246             </td>
1247             <td class="ssnn top red">
1248               <br />
1249             </td>
1250           </tr>
1251           <tr>
1252             <td class="nnns top capitalize italic red">
1253               <br />
1254             </td>
1255             <td class="snns top italic red">closures</td>
1256             <td class="snns top red">cl_weight ( ♯{?,?,?} )</td>
1257             <td class="snnn top red">cl_restricted_weight ( ♯{?,?} )</td>
1258             <td class="snnn top red">
1259               <br />
1260             </td>
1261             <td class="ssnn top red">
1262               <br />
1263             </td>
1264           </tr>
1265           <tr>
1266             <td class="nnns top capitalize italic red">
1267               <br />
1268             </td>
1269             <td class="snns top italic red">internal syntax</td>
1270             <td class="snns top red">genv</td>
1271             <td class="snnn top red">
1272               <br />
1273             </td>
1274             <td class="snnn top red">
1275               <br />
1276             </td>
1277             <td class="ssnn top red">
1278               <br />
1279             </td>
1280           </tr>
1281           <tr>
1282             <td class="nnns top capitalize italic red">
1283               <br />
1284             </td>
1285             <td class="nnns top italic red">
1286               <br />
1287             </td>
1288             <td class="snns top red">lenv</td>
1289             <td class="snnn top red">lenv_weight ( ♯{?} )</td>
1290             <td class="snnn top red">lenv_length ( |?| )</td>
1291             <td class="ssnn top red">lenv_append ( ? @@ ? )</td>
1292           </tr>
1293           <tr>
1294             <td class="nnns top capitalize italic red">
1295               <br />
1296             </td>
1297             <td class="nnns top italic red">
1298               <br />
1299             </td>
1300             <td class="snns top red">term</td>
1301             <td class="snnn top red">term_weight ( ♯{?} )</td>
1302             <td class="snnn top red">term_simple ( 𝐒⦃?⦄ )</td>
1303             <td class="ssnn top red">term_vector ( Ⓐ?.? )</td>
1304           </tr>
1305           <tr>
1306             <td class="nnns top capitalize italic red">
1307               <br />
1308             </td>
1309             <td class="nnns top italic red">
1310               <br />
1311             </td>
1312             <td class="snns top red">item</td>
1313             <td class="snnn top red">
1314               <br />
1315             </td>
1316             <td class="snnn top red">
1317               <br />
1318             </td>
1319             <td class="ssnn top red">
1320               <br />
1321             </td>
1322           </tr>
1323           <tr>
1324             <td class="nnss top capitalize italic red">
1325               <br />
1326             </td>
1327             <td class="snss top italic red">external syntax</td>
1328             <td class="snss top red">aarity</td>
1329             <td class="snsn top red">
1330               <br />
1331             </td>
1332             <td class="snsn top red">
1333               <br />
1334             </td>
1335             <td class="sssn top red">
1336               <br />
1337             </td>
1338           </tr>
1339         </tbody>
1340       </table>
1341     </div>
1342
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1366     <div xmlns:ld="http://lambdadelta.info/" class="spacer">
1367       <br />
1368     </div>
1369     <div xmlns:ld="http://lambdadelta.info/" class="spacer">Last update: Wed, 24 Dec 2014 22:58:52 +0100</div>
1370 </body>
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