X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fhelp%2FC%2Fsec_tactics.xml;h=ebd100a26c408c5a242e0b87d221d43838e78692;hb=01001c883a8151edba81cd03a6f254d24a81c867;hp=aa9610df0aa83e22c517da9782111274710a0d56;hpb=acbf7b2ffb8646634928895024cd9020e1f265ab;p=helm.git
diff --git a/helm/software/matita/help/C/sec_tactics.xml b/helm/software/matita/help/C/sec_tactics.xml
index aa9610df0..ebd100a26 100644
--- a/helm/software/matita/help/C/sec_tactics.xml
+++ b/helm/software/matita/help/C/sec_tactics.xml
@@ -61,7 +61,7 @@
Pre-conditions:
t must have type
- T1 â ... â
+ T1 â ⦠â
Tn â G
where G can be unified with the conclusion
of the current sequent.
@@ -184,7 +184,8 @@
Synopsis:
- auto &autoparams;
+ auto &autoparams;.
+ autobatch &autoparams;
@@ -195,7 +196,8 @@
controlled by the optional params.
Moreover, only lemmas whose type signature is a subset of the
signature of the current sequent are considered. The signature of
- a sequent is ...&TODO;
+ a sequent is essentially the set of constats appearing in it.
+
@@ -219,7 +221,7 @@
cases
cases
- cases t hyps
+ cases t pattern hyps
@@ -228,7 +230,7 @@
cases
- &term; [([&id;]â¦)]
+ &term; &pattern; [([&id;]â¦)]
@@ -247,6 +249,12 @@
It proceed by cases on t. The new generated
hypothesis in each branch are named according to
hyps.
+ The elimintation predicate is restricted by
+ pattern. In particular, if some hypothesis
+ is listed in pattern, the hypothesis is
+ generalized and cleared before proceeding by cases on
+ t. Currently, we only support patterns of the
+ form H1 ⦠Hn ⢠%. This limitation will be lifted in the future.
@@ -344,6 +352,58 @@
+
+ compose
+ compose
+ compose n t1 with t2 hyps
+
+
+
+ Synopsis:
+
+ compose [&nat;] &sterm; [with &sterm;] [&intros-spec;]
+
+
+
+ Pre-conditions:
+
+
+
+
+
+ Action:
+
+ Composes t1 with t2 in every possible way
+ n times introducing generated terms
+ as if intros hyps was issued.
+ If t1:âx:A.B[x] and
+ t2:âx,y:A.B[x]âB[y]âC[x,y] it generates:
+
+
+ λx,y:A.t2 x y (t1 x) : âx,y:A.B[y]âC[x,y]
+
+
+ λx,y:A.λH:B[x].t2 x y H (t1 y) : âx,y:A.B[x]âC[x,y]
+
+
+
+
+ If t2 is omitted it composes
+ t1
+ with every hypothesis that can be introduced.
+ n iterates the process.
+
+
+
+ New sequents to prove:
+
+ The same, but with more hypothesis eventually introduced
+ by the &intros-spec;.
+
+
+
+
+
change
change
@@ -496,8 +556,7 @@
decompose
decompose
- decompose (T1 ... Tn)
- H as H1 ... Hm
+ decompose as H1 ... Hm
@@ -506,10 +565,6 @@
decompose
- [(
- &id;â¦
- )]
- [&id;]
[as &id;â¦]
@@ -517,26 +572,22 @@
Pre-conditions:
-
- H must inhabit one inductive type among
-
- T1 ... Tn
-
- and the types of a predefined list.
-
+ None.
Action:
- Runs
- elim H H1 ... Hm
- , clears H and tries to run itself
- recursively on each new identifier introduced by
+ For each each premise H of type
+ T in the current context where
+ T is a non-recursive inductive type without
+ right parameters and of sort Prop or CProp, the tactic runs
+
+ elim H as H1 ... Hm
+ , clears H and runs itself
+ recursively on each new premise introduced by
elim in the opened sequents.
- If H is not provided tries this operation on
- each premise in the current context.
@@ -554,13 +605,13 @@
demodulate
demodulate
- demodulate
+ demodulate auto_params
Synopsis:
- demodulate
+ demodulate &autoparams;
@@ -627,13 +678,13 @@
elim
elim
- elim t using th hyps
+ elim t pattern using th hyps
Synopsis:
- elim &sterm; [using &sterm;] &intros-spec;
+ elim &sterm; &pattern; [using &sterm;] &intros-spec;
@@ -650,6 +701,10 @@
It proceeds by cases on the values of t,
according to the elimination principle th.
+ The induction predicate is restricted by
+ pattern. In particular, if some hypothesis
+ is listed in pattern, the hypothesis is
+ generalized and cleared before eliminating t
@@ -1301,40 +1356,6 @@
-
- reduce
- reduce
- reduce patt
-
-
-
- Synopsis:
-
- reduce &pattern;
-
-
-
- Pre-conditions:
-
- None.
-
-
-
- Action:
-
- It replaces all the terms matched by patt
- with their βδιζ-normal form.
-
-
-
- New sequents to prove:
-
- None.
-
-
-
-
-
reflexivity
reflexivity