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16 <body lang="en-US"><div class="spacer"><a href="http://lambda-delta.info/"><img class="icon32" alt="[lambda_delta home]" title="lambda_delta home" src="http://lambda-delta.info/images/crux_32.png"/></a></div><div class="head1">cic:/matita/lambda_delta/basic_2/ (λδ version 2)</div><div class="spacer"><img class="rule" alt="[Spacer]" title="lambda_delta rainbow rule" src="http://lambda-delta.info/images/rainbow.png"/></div>
17 <div class="head2">System's Syntax and Behavior</div>
18 <div class="text">This is a summary of the "block structure"
19 of the System's syntactic items and reductions.
21 <div class="text"><table cellpadding="4" cellspacing="0"><tbody><tr><td class="snns text grey">domain</td><td class="snns plane grey">block</td><td class="snns text grey">leader</td><td class="snns text grey">applicator (with →θ)*</td><td class="snns text grey">reduction</td><td class="snns text grey">→ζ *</td><td class="ssns text grey">reference *</td></tr><tr><td class="snns text">{X | Γ ⊢ X : W}</td><td class="snns plane wine">typed abstraction **</td><td class="snns text wine">Γ ⊢ λW</td><td class="snns text wine">ⓐV</td><td class="snns text wine">→β</td><td class="snns text wine">no</td><td class="ssns text wine">#i</td></tr><tr><td class="nnns text"><br/></td><td class="snns plane magenta">typed declaration ***</td><td class="snns text magenta">Γ ⊢ pλW</td><td class="snns text magenta">no</td><td class="snns text magenta">no</td><td class="snns text magenta">no</td><td class="ssns text magenta">$p</td></tr><tr><td class="nnns text"><br/></td><td class="snns plane prune">native type annotation *</td><td class="snns text prune">Γ ⊢ ⓣW</td><td class="snns text prune">no</td><td class="snns text prune">no</td><td class="snns text prune">yes</td><td class="ssns text prune">no</td></tr><tr><td class="snns text">{X | Γ ⊢ X = V}</td><td class="snns plane blue">local abbreviation **</td><td class="snns text blue">Γ ⊢ δV</td><td class="snns text blue">no</td><td class="snns text blue">local →δ</td><td class="snns text blue">yes</td><td class="ssns text blue">#i</td></tr><tr><td class="nnns text"><br/></td><td class="snns plane sky">global abbreviation ***</td><td class="snns text sky">Γ ⊢ pδV</td><td class="snns text sky">no</td><td class="snns text sky">global →δ</td><td class="snns text sky">no</td><td class="ssns text sky">$p</td></tr><tr><td class="snss text">no</td><td class="snss plane cyan">sort ****</td><td class="snss text cyan">Γ ⊢ ⋆k</td><td class="snss text cyan">no</td><td class="snss text cyan">no</td><td class="snss text cyan">no</td><td class="ssss text cyan">no</td></tr></tbody></table></div>
22 <div class="text">* In terms only.
23 ** In terms and local environments only.
24 *** In global environments only.
25 **** Sort level k in terms only.
28 <div class="head2">Summary of the Specification</div>
29 <div class="text">Here is a numerical acount of the specification's contents
32 <div class="text"><table cellpadding="4" cellspacing="0"><tbody><tr><td class="snns component grey">category</td><td class="snns plane grey">objects</td><td class="snnn number grey"><br/></td><td class="snnn plane grey"><br/></td><td class="snnn number grey"><br/></td><td class="snnn plane grey"><br/></td><td class="ssnn number grey"><br/></td></tr><tr><td class="snns component cyan">sizes</td><td class="snns plane cyan">files</td><td class="snnn number cyan">119</td><td class="snns plane cyan">bytes</td><td class="snnn number cyan">440636</td><td class="snns plane cyan"><br/></td><td class="ssnn number cyan"><br/></td></tr><tr><td class="snns component green">propositions</td><td class="snns plane green">theorems</td><td class="snnn number green">46</td><td class="snns plane green">lemmas</td><td class="snnn number green">469</td><td class="snns plane green">total</td><td class="ssnn number green">515</td></tr><tr><td class="snss component yellow">concepts</td><td class="snss plane yellow">declared</td><td class="snsn number yellow">31</td><td class="snss plane yellow">defined</td><td class="snsn number yellow">40</td><td class="snss plane yellow">total</td><td class="sssn number yellow">71</td></tr></tbody></table></div>
33 <ul><li><span class="date">In progress.</span>
34 Context-sensitive subject equivalence
35 for native type assignment.
37 <ul><li><span class="date">In progress.</span>
38 Context-sensitive subject equivalence
39 for atomic arity assignment.
41 <ul><li><span class="date">2012 March 15.</span>
42 Context-sensitive strong normalization
43 for simply typed terms.
45 <ul><li><span class="date">2012 January 27.</span>
46 Support for abstract candidates of reducibility.
48 <ul><li><span class="date">2011 September 21.</span>
49 Confluence for context-sensitive parallel reduction.
51 <ul><li><span class="date">2011 September 6.</span>
52 Confluence for context-free parallel reduction.
54 <ul><li><span class="date">2011 April 17.</span>
58 <div class="head2">Logical Structure of the Specification</div>
59 <div class="text">The source files are grouped in planes and components
60 according to the following table.
61 A notation file covering the whole specification is provided.
62 The notation for the relations or functions introduced in each file
63 is shown in parentheses (? are placeholders).
65 <div class="text"><table cellpadding="4" cellspacing="0"><tbody><tr><td class="snns component grey">component</td><td class="snns plane grey">plane</td><td class="snns file grey">files</td><td class="snnn file grey"><br/></td><td class="snnn file grey"><br/></td><td class="snnn file grey"><br/></td><td class="snnn file grey"><br/></td><td class="snnn file grey"><br/></td><td class="snnn file grey"><br/></td><td class="ssnn file grey"><br/></td></tr><tr><td class="snns component prune">examples</td><td class="snns plane prune"><br/></td><td class="snns file prune"><br/></td><td class="snnn file prune"><br/></td><td class="snnn file prune"><br/></td><td class="snnn file prune"><br/></td><td class="snnn file prune"><br/></td><td class="snnn file prune"><br/></td><td class="snnn file prune"><br/></td><td class="ssnn file prune"><br/></td></tr><tr><td class="snns component blue">native typing</td><td class="snns plane blue"><br/></td><td class="snns file blue">nty</td><td class="snnn file blue"><br/></td><td class="snnn file blue"><br/></td><td class="snnn file blue"><br/></td><td class="snnn file blue"><br/></td><td class="snnn file blue"><br/></td><td class="snnn file blue"><br/></td><td class="ssnn file blue"><br/></td></tr><tr><td class="snns component sky">equivalence</td><td class="snns plane sky">context-sensitive equivalence</td><td class="snns file sky">cpcs ( ? ⊢ ? ⬌* ? )</td><td class="snnn file sky"><br/></td><td class="snnn file sky"><br/></td><td class="snnn file sky"><br/></td><td class="snnn file sky"><br/></td><td class="snnn file sky"><br/></td><td class="snnn file sky"><br/></td><td class="ssnn file sky"><br/></td></tr><tr><td class="snns component cyan">conversion</td><td class="snns plane cyan">context-sensitive conversion</td><td class="snns file cyan">cpc ( ? ⊢ ? ⬌ ? )</td><td class="snnn file cyan">cpc_cpc</td><td class="snnn file cyan"><br/></td><td class="snnn file cyan"><br/></td><td class="snnn file cyan"><br/></td><td class="snnn file cyan"><br/></td><td class="snnn file cyan"><br/></td><td class="ssnn file cyan"><br/></td></tr><tr><td class="snns component water">computation</td><td class="snns plane water">weakly normalizing computation</td><td class="snns file water">cpe ( ? ⊢ ? ⊢ ➡* 𝐍[?] )</td><td class="snnn file water">cpe_cpe</td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="ssnn file water"><br/></td></tr><tr><td class="nnns component water"><br/></td><td class="snns plane water">strongly normalizing computation</td><td class="snns file water">csn_vector ( ⬇* ? )</td><td class="snnn file water">csn_cpr_vector</td><td class="snnn file water">csn_tstc_vector</td><td class="snnn file water">csn_aaa</td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="ssnn file water"><br/></td></tr><tr><td class="nnns component water"><br/></td><td class="nnns plane water"><br/></td><td class="snns file water">csn ( ⬇* ? )</td><td class="snnn file water">csn_lift</td><td class="snnn file water">csn_cpr</td><td class="snnn file water">csn_cprs ( ⬇** ? )</td><td class="snnn file water">csn_lcpr</td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="ssnn file water"><br/></td></tr><tr><td class="nnns component water"><br/></td><td class="snns plane water">context-sensitive computation</td><td class="snns file water">lcprs ( ? ⊢ ➡* ? )</td><td class="snnn file water">lcprs_cprs</td><td class="snnn file water">lcprs_lcprs</td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="ssnn file water"><br/></td></tr><tr><td class="nnns component water"><br/></td><td class="nnns plane water"><br/></td><td class="snns file water">cprs (? ⊢ ? ➡* ?)</td><td class="snnn file water">cprs_lift</td><td class="snnn file water">cprs_ltpr</td><td class="snnn file water">cprs_lcpr</td><td class="snnn file water">cprs_cprs</td><td class="snnn file water">cprs_lcprs</td><td class="snnn file water">cprs_tstc</td><td class="ssnn file water">cprs_tstc_vector</td></tr><tr><td class="nnns component water"><br/></td><td class="snns plane water">local env. ref. for abstract candidates of reducibility</td><td class="snns file water">lsubc ( ? [?] ⊑ ? )</td><td class="snnn file water">lsubc_ldrop</td><td class="snnn file water">lsubc_ldrops</td><td class="snnn file water">lsubc_lsuba</td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="ssnn file water"><br/></td></tr><tr><td class="nnns component water"><br/></td><td class="snns plane water">support for abstract computation properties</td><td class="snns file water">acp</td><td class="snnn file water">acp_cr ( ⦃?,?⦄ ϵ 〚?〛 )</td><td class="snnn file water">acp_aaa</td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="snnn file water"><br/></td><td class="ssnn file water"><br/></td></tr><tr><td class="snns component green">reducibility</td><td class="snns plane green">context-sensitive normal forms</td><td class="snns file green">cnf ( ? ⊢ 𝐍[?] )</td><td class="snnn file green">cnf_lift</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="nnns component green"><br/></td><td class="snns plane green">context-sensitive reduction</td><td class="snns file green">lcpr ( ? ⊢ ➡ ? )</td><td class="snnn file green">lcpr_cpr</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="nnns component green"><br/></td><td class="nnns plane green"><br/></td><td class="snns file green">cpr ( ? ⊢ ? ➡ ? )</td><td class="snnn file green">cpr_lift</td><td class="snnn file green">cpr_ltpss</td><td class="snnn file green">cpr_ltpr</td><td class="snnn file green">cpr_cpr</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="nnns component green"><br/></td><td class="snns plane green">context-free normal forms</td><td class="snns file green">twhnf ( 𝐖𝐇𝐍[?] )</td><td class="snnn file green">tnf ( 𝐍[?] )</td><td class="snnn file green">tnf_tif</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="nnns component green"><br/></td><td class="snns plane green">context-free reduction</td><td class="snns file green">ltpr ( ? ➡ ? )</td><td class="snnn file green">ltpr_ldrop</td><td class="snnn file green">ltpr_tps</td><td class="snnn file green">ltpr_aaa</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="nnns component green"><br/></td><td class="nnns plane green"><br/></td><td class="snns file green">tpr ( ? ➡ ? )</td><td class="snnn file green">tpr_lift</td><td class="snnn file green">tpr_tpss</td><td class="snnn file green">tpr_tpr</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="nnns component green"><br/></td><td class="snns plane green">context-free reducible forms</td><td class="snns file green">trf ( 𝐑[?] )</td><td class="snnn file green">tif ( 𝐈[?] )</td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="snnn file green"><br/></td><td class="ssnn file green"><br/></td></tr><tr><td class="snns component grass">static typing</td><td class="snns plane grass">static type assignment</td><td class="snns file grass">sty</td><td class="snnn file grass">sty_lift</td><td class="snnn file grass">sty_sty</td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="ssnn file grass"><br/></td></tr><tr><td class="nnns component grass"><br/></td><td class="snns plane grass">local env. ref. for atomic arity assignment</td><td class="snns file grass">lsuba ( ? ÷⊑ ? )</td><td class="snnn file grass">lsuba_ldrop</td><td class="snnn file grass">lsuba_aaa</td><td class="snnn file grass">lsuba_lsuba</td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="ssnn file grass"><br/></td></tr><tr><td class="nnns component grass"><br/></td><td class="snns plane grass">atomic arity assignment</td><td class="snns file grass">aaa ( ? ⊢ ? ÷ ? )</td><td class="snnn file grass">aaa_lift</td><td class="snnn file grass">aaa_ltps</td><td class="snnn file grass">aaa_lifts</td><td class="snnn file grass">aaa_ltpss</td><td class="snnn file grass">aaa_aaa</td><td class="snnn file grass"><br/></td><td class="ssnn file grass"><br/></td></tr><tr><td class="nnns component grass"><br/></td><td class="snns plane grass">parameters</td><td class="snns file grass">sh</td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="snnn file grass"><br/></td><td class="ssnn file grass"><br/></td></tr><tr><td class="snns component yellow">unfold</td><td class="snns plane yellow">term inverse relocation</td><td class="snns file yellow">delift ( ? ⊢ ? [?,?] ≡ ? )</td><td class="snnn file yellow">delift_lift</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="nnns component yellow"><br/></td><td class="snns plane yellow">partial unfold</td><td class="snns file yellow">ltpss ( ? [?,?] ▶* ? )</td><td class="snnn file yellow">ltpss_ldrop</td><td class="snnn file yellow">ltpss_tps</td><td class="snnn file yellow">ltpss_ltpss</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="nnns component yellow"><br/></td><td class="nnns plane yellow"><br/></td><td class="snns file yellow">tpss ( ? ⊢ ? [?,?] ▶* ? )</td><td class="snnn file yellow">tpss_lift</td><td class="snnn file yellow">tpss_tpss</td><td class="snnn file yellow">tpss_ltps</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="nnns component yellow"><br/></td><td class="snns plane yellow">generic local env. slicing</td><td class="snns file yellow">ldrops ( ⇩*[?] ? ≡ ? )</td><td class="snnn file yellow">ldrops_ldrop</td><td class="snnn file yellow">ldrops_ldrops</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="nnns component yellow"><br/></td><td class="snns plane yellow">generic term relocation</td><td class="snns file yellow">lifts_vector ( ⇧*[?] ? ≡ ? )</td><td class="snnn file yellow">lifts_lift_vector</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="nnns component yellow"><br/></td><td class="nnns plane yellow"><br/></td><td class="snns file yellow">lifts ( ⇧*[?] ? ≡ ? )</td><td class="snnn file yellow">lifts_lift</td><td class="snnn file yellow">lifts_lifts</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="nnns component yellow"><br/></td><td class="snns plane yellow">support for generic relocation</td><td class="snns file yellow">gr2 ( @ [ ? ] ? ≡ ? )</td><td class="snnn file yellow">gr2_plus ( ? + ? )</td><td class="snnn file yellow">gr2_minus ( ? ▭ ? ≡ ? )</td><td class="snnn file yellow">gr2_gr2</td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="snnn file yellow"><br/></td><td class="ssnn file yellow"><br/></td></tr><tr><td class="snns component orange">substitution</td><td class="snns plane orange">parallel substitution</td><td class="snns file orange">ltps ( ? [?,?] ▶ ? )</td><td class="snnn file orange">ltps_ldrop</td><td class="snnn file orange">ltps_tps</td><td class="snnn file orange">ltps_ltps</td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="ssnn file orange"><br/></td></tr><tr><td class="nnns component orange"><br/></td><td class="nnns plane orange"><br/></td><td class="snns file orange">tps ( ? ⊢ ? [?,?] ▶ ? )</td><td class="snnn file orange">tps_lift</td><td class="snnn file orange">tps_tps</td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="ssnn file orange"><br/></td></tr><tr><td class="nnns component orange"><br/></td><td class="snns plane orange">global env. slicing</td><td class="snns file orange">gdrop ( ⇩[?] ? ≡ ? )</td><td class="snnn file orange">gdrop_gdrop</td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="ssnn file orange"><br/></td></tr><tr><td class="nnns component orange"><br/></td><td class="snns plane orange">basic local env. slicing</td><td class="snns file orange">ldrop ( ⇩[?,?] ? ≡ ? )</td><td class="snnn file orange">ldrop_ldrop</td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="ssnn file orange"><br/></td></tr><tr><td class="nnns component orange"><br/></td><td class="snns plane orange">basic term relocation</td><td class="snns file orange">lift_vector ( ⇧[?,?] ? ≡ ? )</td><td class="snnn file orange">lift_lift_vector</td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="ssnn file orange"><br/></td></tr><tr><td class="nnns component orange"><br/></td><td class="nnns plane orange"><br/></td><td class="snns file orange">lift ( ⇧[?,?] ? ≡ ? )</td><td class="snnn file orange">lift_lift</td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="snnn file orange"><br/></td><td class="ssnn file orange"><br/></td></tr><tr><td class="snns component red">grammar</td><td class="snns plane red">local env. ref. for substitution</td><td class="snns file red">lsubs ( ? [?,?] ≼ ? )</td><td class="snnn file red">lsubs_lsubs</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="snns plane red">same head term form</td><td class="snns file red">tshf ( ? ≈ ? )</td><td class="snnn file red">tshf_tshf</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="snns plane red">same top term constructor</td><td class="snns file red">tstc ( ? ≃ ? )</td><td class="snnn file red">tstc_tstc</td><td class="snnn file red">tstc_vector</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="snns plane red">closures</td><td class="snns file red">cl_shift ( ? @ ? )</td><td class="snnn file red">cl_weight ( #[?,?] )</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="snns plane red">internal syntax</td><td class="snns file red">genv</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="nnns plane red"><br/></td><td class="snns file red">lenv</td><td class="snnn file red">lenv_weight ( #[?] )</td><td class="snnn file red">lenv_length ( |?| )</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="nnns plane red"><br/></td><td class="snns file red">term</td><td class="snnn file red">term_weight ( #[?] )</td><td class="snnn file red">term_simple ( 𝐒[?] )</td><td class="snnn file red">term_vector</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnns component red"><br/></td><td class="nnns plane red"><br/></td><td class="snns file red">item</td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="snnn file red"><br/></td><td class="ssnn file red"><br/></td></tr><tr><td class="nnss component red"><br/></td><td class="snss plane red">external syntax</td><td class="snss file red">aarity</td><td class="snsn file red"><br/></td><td class="snsn file red"><br/></td><td class="snsn file red"><br/></td><td class="snsn file red"><br/></td><td class="snsn file red"><br/></td><td class="snsn file red"><br/></td><td class="sssn file red"><br/></td></tr></tbody></table></div>
67 <div class="head2">Physical Structure of the Specification</div>
68 <div class="text">The source files are grouped in directories,
69 one for each component.
71 <div class="spacer"><img class="rule" alt="[Spacer]" title="lambda_delta rainbow rule" src="http://lambda-delta.info/images/rainbow.png"/></div><div class="spacer"><br/></div><div class="spacer"><a href="http://validator.w3.org/check?uri=referer"><img class="w3c" alt="[Valid XHTML 1.1]" title="Valid XHTML 1.1" src="http://www.w3.org/Icons/valid-xhtml11-blue"/></a><a href="http://jigsaw.w3.org/css-validator/check/referer"><img class="w3c" alt="[Valid CSS level 2]" title="Valid CSS level 2" src="http://www.w3.org/Icons/valid-css2-blue"/></a><a href="http://www.w3.org/XML/"><img class="w3c" alt="[Generated from XML via XSL]" title="Generated from XML via XSL" src="http://lambda-delta.info/images/xml_xsl2.png"/></a><a href="http://www.w3.org/Graphics/PNG/"><img class="w3c" alt="[PNG used here]" title="PNG used here" src="http://lambda-delta.info/images/PNGnow2.png"/></a><a href="http://www.anybrowser.org/campaign/"><img class="w3c" alt="[Viewable with any browser]" title="Viewable with any browser" src="http://www.anybrowser.org/campaign/bvgraphics/abtfile.png"/></a></div><div class="spacer"><br/></div><div class="spacer">Last update: 2012-03-23+01:00</div>