From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Mon, 22 Aug 2005 08:37:09 +0000 (+0000)
Subject: Paramodulation bug fixed.
X-Git-Tag: working_equations_only~22
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=dc93c2cd98a57f17a452a461c6bcfaa7ec185427;p=helm.git

Paramodulation bug fixed.
---

diff --git a/helm/matita/tests/fguidi.ma b/helm/matita/tests/fguidi.ma
index e72e28e5c..a665ca85d 100644
--- a/helm/matita/tests/fguidi.ma
+++ b/helm/matita/tests/fguidi.ma
@@ -51,11 +51,11 @@ qed.
 
 theorem eq_gen_S_S: \forall m,n. (S m) = (S n) \to m = n. 
 intros. cut (pred (S m)) = (pred (S n)). 
-assumption. elim H. auto. (* bug paramodulation *)
+assumption. elim H. auto paramodulation.
 qed.
 
 theorem eq_gen_S_S_cc: \forall m,n. m = n \to (S m) = (S n).
-intros. elim H. auto. (* bug paramodulation *)
+intros. elim H. auto paramodulation.
 qed.
 
 inductive le: nat \to nat \to Prop \def
@@ -72,7 +72,7 @@ intros 3. elim H. auto paramodulation. apply eq_gen_S_O. exact n1. auto paramodu
 qed.
 
 theorem le_gen_x_O: \forall x. (le x O) \to (x = O).
-intros. apply le_gen_x_O_aux. exact O. auto paramodulation. auto. (* bug paramodulation *)
+intros. apply le_gen_x_O_aux. exact O. auto paramodulation. auto paramodulation.
 qed.
 
 theorem le_gen_x_O_cc: \forall x. (x = O) \to (le x O).
@@ -82,18 +82,18 @@ qed.
 theorem le_gen_S_x_aux: \forall m,x,y. (le y x) \to (y = S m) \to 
                         (\exists n. x = (S n) \land (le m n)).
 intros 4. elim H. 
-apply eq_gen_S_O. exact m. elim H1. auto. (* bug paramodulation *) 
+apply eq_gen_S_O. exact m. elim H1. auto paramodulation.
 cut n = m. elim Hcut. apply ex_intro. exact n1. auto paramodulation. auto. (* paramodulation non trova la prova *)
 qed.
 
 theorem le_gen_S_x: \forall m,x. (le (S m) x) \to 
                     (\exists n. x = (S n) \land (le m n)).
-intros. apply le_gen_S_x_aux. exact (S m). auto paramodulation. auto. (* bug paramodulation *)
+intros. apply le_gen_S_x_aux. exact (S m). auto paramodulation. auto paramodulation.
 qed.
 
 theorem le_gen_S_x_cc: \forall m,x. (\exists n. x = (S n) \land (le m n)) \to
                        (le (S m) x).
-intros. elim H. elim H1. cut (S x1) = x. elim Hcut. auto paramodulation. elim H2. auto. (* bug paramodulation *)
+intros. elim H. elim H1. cut (S x1) = x. elim Hcut. auto paramodulation. elim H2. auto paramodulation.
 qed.
 
 theorem le_gen_S_S: \forall m,n. (le (S m) (S n)) \to (le m n).