X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fmatita%2Fhelp%2FC%2Fsec_commands.xml;h=4d788f39aa3feb8ed01961dd48a782b9ec2a6436;hb=f8f3f0bf31de02f543b9bb5e944ea01fd706d3a0;hp=7141d0ddffd1ff22dab3ded1fa43c6521f564fcf;hpb=33f739f6354adaf949cb6c1e8e57f742c0d88bf0;p=helm.git

diff --git a/helm/software/matita/help/C/sec_commands.xml b/helm/software/matita/help/C/sec_commands.xml
index 7141d0ddf..4d788f39a 100644
--- a/helm/software/matita/help/C/sec_commands.xml
+++ b/helm/software/matita/help/C/sec_commands.xml
@@ -9,7 +9,7 @@
    <para><userinput>alias num (instance n) = &quot;def&quot;</userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">alias</emphasis>
@@ -57,7 +57,7 @@
    <para><userinput>check t</userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">check</emphasis> &term;</para>
@@ -76,24 +76,34 @@
  </sect1>
  <sect1 id="command_coercion">
    <title>coercion</title>
-   <para><userinput>coercion u</userinput></para>
+   <para><userinput>coercion u with ariety saturation nocomposites</userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
-           <para><emphasis role="bold">coercion</emphasis> &uri;</para>
+		 <para>
+			 <emphasis role="bold">coercion</emphasis> 
+			 (&uri; | &term; <emphasis role="bold">with</emphasis>)
+			 [ &nat; [&nat;]] 
+			 [ <emphasis role="bold">nocomposites</emphasis> ]
+		 </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>Action:</term>
          <listitem>
-           <para>Declares <command>u</command> as an implicit coercion
-            from the type of its last argument (source)
-            to its codomain (target). Every time a term <command>x</command>
+		 <para>Declares <command>u</command> as an implicit coercion.
+		 If the type of <command>u</command> is 	
+		 <command>∀x1:T1. … ∀x(n-1):T(n-1).Tn</command> the coercion target is
+		 <command>T(n - ariety)</command> while its source is 
+		 <command>T(n - ariety - saturation - 1)</command>.
+	    Every time a term <command>x</command>
             of type source is used with expected type target, Matita
             automatically replaces <command>x</command> with
-            <command>(u ? … ? x)</command> to avoid a typing error.</para>
+            <command>(u ? … ? x ? … ?)</command> to avoid a typing error.</para>
+            Note that the number of <command>?</command> added after 
+	    <command>x</command> is saturation.
            <para>Implicit coercions are not displayed to the user:
             <command>(u ? … ? x)</command> is rendered simply
             as <command>x</command>.</para>
@@ -102,7 +112,8 @@
             and there is already a coercion <command>u'</command> of
             target <command>s</command> or source <command>t</command>,
             a composite implicit coercion is automatically computed
-            by Matita.</para>
+	    by Matita unless <emphasis role="bold">nocomposites</emphasis> 
+	    is specified.</para>
          </listitem>
        </varlistentry>
      </variablelist>
@@ -110,20 +121,94 @@
  </sect1>
  <sect1 id="command_default">
    <title>default</title>
-   <para><userinput></userinput></para>
+   <para><userinput>default &quot;s&quot; u<subscript>1</subscript> … u<subscript>n</subscript></userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">default</emphasis>
+            &qstring; &uri; [&uri;]…
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>Action:</term>
          <listitem>
-           <para>&TODO;</para>
+           <para>It registers a cluster of related definitions and
+            theorems to be used by tactics and the rendering engine.
+            Some functionalities of Matita are not available when some
+            clusters have not been registered. Overloading a cluster
+            registration is possible: the last registration will be the
+            default one, but the previous ones are still in effect.</para>
+           <para>
+            <command>s</command> is an identifier of the cluster and
+            <command>u<subscript>1</subscript> … u<subscript>n</subscript></command>
+            are the URIs of the definitions and theorems of the cluster.
+            The number <command>n</command> of required URIs depends on the
+            cluster. The following clusters are supported.
+           </para>
+           <table>
+            <title>clusters</title>
+            <tgroup cols="6">
+            <thead>
+             <row>
+              <entry>name</entry>
+              <entry>expected object for 1st URI</entry>
+              <entry>expected object for 2nd URI</entry>
+              <entry>expected object for 3rd URI</entry>
+              <entry>expected object for 4th URI</entry>
+              <entry>expected object for 5th URI</entry>
+              <entry>expected object for 6th URI</entry>
+              <entry>expected object for 7th URI</entry>
+              <entry>expected object for 8th URI</entry>
+              <entry>expected object for 9th URI</entry>
+              <entry>expected object for 10th URI</entry>
+              <entry>expected object for 11th URI</entry>
+             </row>
+            </thead>
+            <tbody>
+             <row>
+              <entry>equality</entry>
+              <entry>an inductive type (say, of type <command>eq</command>) of type ∀A:Type.A <emphasis role="bold">→</emphasis> <emphasis role="bold">Prop</emphasis> with one family parameter and one constructor of type ∀x:A.eq A x</entry>
+              <entry>a theorem of type <emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>x,y:A.eq A x y <emphasis role="bold">→</emphasis> eq A y x</entry>
+              <entry>a theorem of type <emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>x,y,z:A.eq A x y <emphasis role="bold">→</emphasis> eq A y z <emphasis role="bold">→</emphasis> eq A x z</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>a.<emphasis role="bold">∀</emphasis> P:A <emphasis role="bold">→</emphasis> <emphasis role="bold">Prop</emphasis>.P x <emphasis role="bold">→</emphasis> <emphasis role="bold">∀</emphasis>y.eq A x y <emphasis role="bold">→</emphasis> P y</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>a.<emphasis role="bold">∀</emphasis> P:A <emphasis role="bold">→</emphasis> <emphasis role="bold">Prop</emphasis>.P x <emphasis role="bold">→</emphasis> <emphasis role="bold">∀</emphasis>y.eq A y x <emphasis role="bold">→</emphasis> P y</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>a.<emphasis role="bold">∀</emphasis> P:A <emphasis role="bold">→</emphasis> <emphasis role="bold">Set</emphasis>.P x <emphasis role="bold">→</emphasis> <emphasis role="bold">∀</emphasis>y.eq A x y <emphasis role="bold">→</emphasis> P y</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>a.<emphasis role="bold">∀</emphasis> P:A <emphasis role="bold">→</emphasis> <emphasis role="bold">Set</emphasis>.P x <emphasis role="bold">→</emphasis> <emphasis role="bold">∀</emphasis>y.eq A y x <emphasis role="bold">→</emphasis> P y</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>a.<emphasis role="bold">∀</emphasis> P:A <emphasis role="bold">→</emphasis> <emphasis role="bold">Type</emphasis>.P x <emphasis role="bold">→</emphasis> <emphasis role="bold">∀</emphasis>y.eq A x y <emphasis role="bold">→</emphasis> P y</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>a.<emphasis role="bold">∀</emphasis> P:A <emphasis role="bold">→</emphasis> <emphasis role="bold">Type</emphasis>.P x <emphasis role="bold">→</emphasis> <emphasis role="bold">∀</emphasis>y.eq A y x <emphasis role="bold">→</emphasis> P y</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>B.<emphasis role="bold">∀</emphasis> f:A <emphasis role="bold">→</emphasis> B.<emphasis role="bold">∀</emphasis>x,y:A.eq A x y <emphasis role="bold">→</emphasis> eq B (f x) (f y)</entry>
+              <entry><emphasis role="bold">∀</emphasis>A.<emphasis role="bold">∀</emphasis>B.<emphasis role="bold">∀</emphasis> f:A <emphasis role="bold">→</emphasis> B.<emphasis role="bold">∀</emphasis>x,y:A.eq A x y <emphasis role="bold">→</emphasis> eq B (f y) (f x)</entry>
+             </row>
+             <row>
+              <entry>true</entry>
+              <entry>an inductive type of type <emphasis role="bold">Prop</emphasis> with only one constructor that has no arguments</entry>
+              <entry/>
+              <entry/>
+              <entry/>
+              <entry/>
+             </row>
+             <row>
+              <entry>false</entry>
+              <entry>an inductive type of type <emphasis role="bold">Prop</emphasis> without constructors</entry>
+              <entry/>
+              <entry/>
+              <entry/>
+              <entry/>
+             </row>
+             <row>
+              <entry>absurd</entry>
+              <entry>a theorem of type <emphasis role="bold">∀</emphasis>A:Prop.<emphasis role="bold">∀</emphasis>B:Prop.A <emphasis role="bold">→</emphasis> Not A <emphasis role="bold">→</emphasis> B</entry>
+              <entry/>
+              <entry/>
+              <entry/>
+              <entry/>
+             </row>
+            </tbody>
+            </tgroup>
+           </table>
          </listitem>
        </varlistentry>
      </variablelist>
@@ -134,7 +219,7 @@
    <para><userinput>hint</userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">hint</emphasis>
@@ -160,7 +245,7 @@
    <para><userinput>include &quot;s&quot;</userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">include</emphasis> &qstring;</para>
@@ -180,8 +265,7 @@
             On the contrary, theorem and definitions declared in a file can be
            immediately used without including it.</para>
           <para>The file <command>s</command> is automatically compiled
-           if it is not compiled yet and if it is handled by a
-           <link linkend="developments">development</link>.
+	  if it is not compiled yet.
           </para>
          </listitem>
        </varlistentry>
@@ -193,7 +277,7 @@
    <para><userinput></userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">include'</emphasis> &qstring;</para>
@@ -208,52 +292,35 @@
      </variablelist>
    </para>
  </sect1>
- <sect1 id="command_set">
-   <title>set</title>
-   <para><userinput>set &quot;baseuri&quot; &quot;s&quot;</userinput></para>
-   <para>
-     <variablelist>
-       <varlistentry role="tactic.synopsis">
-         <term>Synopsis:</term>
-         <listitem>
-           <para><emphasis role="bold">set</emphasis> &qstring; &qstring;</para>
-         </listitem>
-       </varlistentry>
-       <varlistentry>
-         <term>Action:</term>
-         <listitem>
-           <para>Sets to <command>s</command> the baseuri of all the
-            theorems and definitions stated in the current file.
-            The baseuri should be <command>a/b/c/foo</command>
-            if the file is named <command>foo</command> and it is in
-            the subtree <command>a/b/c</command> of the current
-            <link linkend="developments">development</link>.
-            This requirement is not enforced, but it could be in the future.
-           </para>
-           <para>Currently, <command>baseuri</command> is the only
-            property that can be set even if the parser accepts
-            arbitrary property names.</para>
-         </listitem>
-       </varlistentry>
-     </variablelist>
-   </para>
- </sect1>
  <sect1 id="command_whelp">
    <title>whelp</title>
-   <para><userinput></userinput></para>
+   <para><userinput>whelp locate &quot;s&quot;</userinput></para>
+   <para><userinput>whelp hint t</userinput></para>
+   <para><userinput>whelp elim t</userinput></para>
+   <para><userinput>whelp match t</userinput></para>
+   <para><userinput>whelp instance t</userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">whelp</emphasis>
+            [<emphasis role="bold">locate</emphasis> &qstring;
+            | <emphasis role="bold">hint</emphasis> &term;
+            | <emphasis role="bold">elim</emphasis> &term;
+            | <emphasis role="bold">match</emphasis> &term;
+            | <emphasis role="bold">instance</emphasis> &term;
+            ]
            </para>
          </listitem>
        </varlistentry>
        <varlistentry>
          <term>Action:</term>
          <listitem>
-           <para>&TODO;</para>
+           <para>Performs the corresponding <link linkend="whelp">query</link>,
+            showing the result in the CIC browser. The command is removed
+            from the script.
+           </para>
          </listitem>
        </varlistentry>
      </variablelist>
@@ -264,7 +331,7 @@
    <para><userinput></userinput></para>
    <para>
      <variablelist>
-       <varlistentry role="tactic.synopsis">
+       <varlistentry>
          <term>Synopsis:</term>
          <listitem>
            <para><emphasis role="bold">qed</emphasis>