X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Ftests%2Finjection.ma;h=b8ddeaa17f22dd077719e691e760c7fff34931a3;hb=afc34722ab622b200c9f3c05e092aafa49cd44c0;hp=149a39e81f986a20652f4f16ca40fc34169ac403;hpb=56fabdc3616fef02243e64eda35a81df606d0586;p=helm.git

diff --git a/matita/tests/injection.ma b/matita/tests/injection.ma
index 149a39e81..b8ddeaa17 100644
--- a/matita/tests/injection.ma
+++ b/matita/tests/injection.ma
@@ -26,7 +26,7 @@ inductive t0 : Type :=
 
 theorem injection_test0: ∀n,n',m,m'. k0 n m = k0 n' m' → m = m'.
  intros;
- injection H;
+ destruct H;
  assumption.
 qed.
 
@@ -36,7 +36,7 @@ inductive t : Type → Type :=
  
 theorem injection_test1: ∀n,n'. k n = k n' → n = n'.
  intros;
- injection H;
+ destruct H;
  assumption.
 qed.
 
@@ -46,7 +46,7 @@ inductive tt (A:Type) : Type -> Type :=
  
 theorem injection_test2: ∀n,n',m,m'. k1 bool n n' = k1 bool m m' → n' = m'.
  intros;
- injection H;
+ destruct H;
  assumption.
 qed.
 
@@ -54,26 +54,9 @@ inductive ttree : Type → Type :=
    tempty: ttree nat
  | tnode : ∀A. ttree A → ttree A → ttree A.
 
-theorem injection_test3:
- ∀t,t'. tnode nat t tempty = tnode nat t' tempty → t = t'.
- intros;
- injection H;
- assumption.
-qed.
-
-theorem injection_test3:
- ∀t,t'.
-  tnode nat (tnode nat t t') tempty = tnode nat (tnode nat t' tempty) tempty →
-   t = t'.
- intros;
- injection H;
- 
-
 theorem injection_test4:
- ∀n,n',m,m'. k1 bool (S n) (S m) = k1 bool (S n') (S (S m')) → m = S m'.
+ ∀n,n',m,m'. k1 bool (S n) (S (S m)) = k1 bool (S n') (S (S (S m'))) → m = S m'.
  intros;
- injection H;
+ destruct H;
  assumption.
 qed.
-
-