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diff --git a/matita/help/C/sec_tactics.xml b/matita/help/C/sec_tactics.xml
index aa9610df0..e03dece5b 100644
--- a/matita/help/C/sec_tactics.xml
+++ b/matita/help/C/sec_tactics.xml
@@ -496,8 +496,7 @@
decompose
decompose
- decompose (T1 ... Tn)
- H as H1 ... Hm
+ decompose as H1 ... Hm
@@ -506,10 +505,6 @@
decompose
- [(
- &id;â¦
- )]
- [&id;]
[as &id;â¦]
@@ -517,26 +512,22 @@
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.