<sect1 id="tac_clear">
<title>clear</title>
<titleabbrev>clear</titleabbrev>
- <para><userinput>clear H</userinput></para>
+ <para><userinput>
+ clear H<subscript>1</subscript> ... H<subscript>m</subscript>
+ </userinput></para>
<para>
<variablelist>
<varlistentry role="tactic.synopsis">
<term>Synopsis:</term>
<listitem>
- <para><emphasis role="bold">clear</emphasis> &id;</para>
+ <para>
+ <emphasis role="bold">clear</emphasis>
+ &id; [&id;…]
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Pre-conditions:</term>
<listitem>
- <para><command>H</command> must be an hypothesis of the
- current sequent to prove.</para>
+ <para>
+ <command>
+ H<subscript>1</subscript> ... H<subscript>m</subscript>
+ </command> must be hypotheses of the
+ current sequent to prove.
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Action:</term>
<listitem>
- <para>It hides the hypothesis <command>H</command> from the
- current sequent.</para>
+ <para>
+ It hides the hypotheses
+ <command>
+ H<subscript>1</subscript> ... H<subscript>m</subscript>
+ </command> from the current sequent.
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<title>decompose</title>
<titleabbrev>decompose</titleabbrev>
<para><userinput>
- decompose (T<subscript>1</subscript> ... T<subscript>n</subscript>) H hips
+ decompose (T<subscript>1</subscript> ... T<subscript>n</subscript>)
+ H as H<subscript>1</subscript> ... H<subscript>m</subscript>
</userinput></para>
<para>
<variablelist>
<varlistentry role="tactic.synopsis">
<term>Synopsis:</term>
<listitem>
- <para><emphasis role="bold">decompose</emphasis> &id; [&id;]… &intros-spec;</para>
+ <para>
+ <emphasis role="bold">decompose</emphasis>
+ [<emphasis role="bold">(</emphasis>
+ &id;…
+ <emphasis role="bold">)</emphasis>]
+ [&id;]
+ [<emphasis role="bold">as</emphasis> &id;…]
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Action:</term>
<listitem>
<para>
- Runs <command>elim H hyps</command>, clears H and tries to run
- itself recursively on each new identifier introduced by
- <command>elim</command> in the opened sequents.
+ Runs <command>
+ elim H H<subscript>1</subscript> ... H<subscript>m</subscript>
+ </command>, clears <command>H</command> and tries to run itself
+ recursively on each new identifier introduced by
+ <command>elim</command> in the opened sequents.
+ If <command>H</command> is not provided tries this operation on
+ each premise in the current context.
</para>
</listitem>
</varlistentry>
<sect1 id="tac_fwd">
<title>fwd</title>
<titleabbrev>fwd</titleabbrev>
- <para><userinput>fwd H</userinput></para>
+ <para><userinput>fwd H as H<subscript>0</subscript> ... H<subscript>n</subscript></userinput></para>
<para>
<variablelist>
<varlistentry role="tactic.synopsis">
<term>Synopsis:</term>
<listitem>
- <para><emphasis role="bold">fwd</emphasis> &id; [<emphasis role="bold">(</emphasis>[&id;]…<emphasis role="bold">)</emphasis>]</para>
+ <para><emphasis role="bold">fwd</emphasis> &id; [<emphasis role="bold">as</emphasis> &id; [&id;]…]</para>
</listitem>
</varlistentry>
<varlistentry>
This tactic is under development.
It simplifies the current context by removing
<command>H</command> using the following methods:
- forward application of a suitable simplification theorem (chosen
- automatically) of which the type of <command>H</command> is a
- premise, decomposition, rewriting.
+ forward application (by <command>lapply</command>) of a suitable
+ simplification theorem, chosen automatically, of which the type
+ of <command>H</command> is a premise,
+ decomposition (by <command>decompose</command>),
+ rewriting (by <command>rewrite</command>).
+ <command>H<subscript>0</subscript> ... H<subscript>n</subscript></command>
+ are passed to the tactics <command>fwd</command> invokes, as
+ names for the premise they introduce.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>New sequents to prove:</term>
<listitem>
- <para>None.</para>
+ <para>
+ The ones opened by the tactics <command>fwd</command> invokes.
+ </para>
</listitem>
</varlistentry>
</variablelist>
<title>lapply</title>
<titleabbrev>lapply</titleabbrev>
<para><userinput>
- lapply depth=d t
+ lapply linear depth=d t
to t<subscript>1</subscript>, ..., t<subscript>n</subscript> as H
</userinput></para>
<para>
<varlistentry role="tactic.synopsis">
<term>Synopsis:</term>
<listitem>
- <para><emphasis role="bold">lapply</emphasis> [<emphasis role="bold">depth=</emphasis>&nat;] &sterm; [<emphasis role="bold">to</emphasis> &sterm; [&sterm;]…] [<emphasis role="bold">as</emphasis> &id;]</para>
+ <para>
+ <emphasis role="bold">lapply</emphasis>
+ [<emphasis role="bold">linear</emphasis>]
+ [<emphasis role="bold">depth=</emphasis>&nat;]
+ &sterm;
+ [<emphasis role="bold">to</emphasis>
+ &sterm;
+ [<emphasis role="bold">,</emphasis>&sterm;…]
+ ]
+ [<emphasis role="bold">as</emphasis> &id;]
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Pre-conditions:</term>
<listitem>
- <para>TODO.</para>
+ <para>
+ <command>t</command> must have at least <command>d</command>
+ independent premises and <command>n</command> must not be
+ greater than <command>d</command>.
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<term>Action:</term>
<listitem>
- <para>TODO.</para>
+ <para>
+ Invokes <command>letin H ≝ (t ? ... ?)</command>
+ with enough <command>?</command>'s to reach the
+ <command>d</command>-th independent premise of
+ <command>t</command>
+ (<command>d</command> is maximum if unspecified).
+ Then istantiates (by <command>apply</command>) with
+ t<subscript>1</subscript>, ..., t<subscript>n</subscript>
+ the <command>?</command>'s corresponding to the first
+ <command>n</command> independent premises of
+ <command>t</command>.
+ Usually the other <command>?</command>'s preceding the
+ <command>n</command>-th independent premise of
+ <command>t</command> are istantiated as a consequence.
+ If the <command>linear</command> flag is specified and if
+ <command>t, t<subscript>1</subscript>, ..., t<subscript>n</subscript></command>
+ are (applications of) premises in the current context, they are
+ <command>clear</command>ed.
+ </para>
</listitem>
</varlistentry>
<varlistentry>
<term>New sequents to prove:</term>
<listitem>
- <para>TODO.</para>
+ <para>
+ The ones opened by the tactics <command>lapply</command> invokes.
+ </para>
</listitem>
</varlistentry>
</variablelist>
projects / helm.git / blobdiff