eq over SET1 and SET no longer used

[helm.git] / helm / software / matita / contribs / RELATIONAL / ZEq / setoid.ma

diff --git a/helm/software/matita/contribs/RELATIONAL/ZEq/setoid.ma b/helm/software/matita/contribs/RELATIONAL/ZEq/setoid.ma
index 6721926b10281e551c51710c43ed67d5c66f490e..a9c9d0763624957f7916b7d4e1ec8ad7e7ccd548 100644 (file)
--- a/helm/software/matita/contribs/RELATIONAL/ZEq/setoid.ma
+++ b/helm/software/matita/contribs/RELATIONAL/ZEq/setoid.ma
@@ -12,14 +12,14 @@
 (*                                                                        *)
 (**************************************************************************)
 
-set "baseuri" "cic:/matita/RELATIONAL/ZEq/setoid".
+
 
 include "NPlus/fun.ma".
 include "ZEq/defs.ma".
 
 theorem zeq_refl: \forall z. z = z.
  intros. elim z. clear z.
- lapply (nplus_total t t1). decompose.
+ lapply (nplus_total a b). decompose.
  autobatch.
 qed.
 
@@ -30,7 +30,7 @@ qed.
 theorem zeq_trans: \forall z1,z2. z1 = z2 \to 
                    \forall z3. z2 = z3 \to z1 = z3.
  intros 3. elim H. clear H z1 z2. 
- inversion H3. clear H3. intros. subst.
+ inversion H3. clear H3. intros. destruct.
  lapply (nplus_total n5 n6). decompose.
  lapply (nplus_total n4 n9). decompose.
  apply zeq.