--- a/src/ZF/QUniv.ML Wed Apr 23 10:52:49 1997 +0200
+++ b/src/ZF/QUniv.ML Wed Apr 23 10:54:22 1997 +0200
@@ -20,7 +20,7 @@
val [prem] = goalw QUniv.thy [sum_def]
"Transset(C) ==> (A+B) Int C <= (A Int C) + (B Int C)";
by (stac Int_Un_distrib 1);
-by (fast_tac (!claset addSDs [prem RS Transset_Pair_D]) 1);
+by (blast_tac (!claset addSDs [prem RS Transset_Pair_D]) 1);
qed "Transset_sum_Int_subset";
(** Introduction and elimination rules avoid tiresome folding/unfolding **)
@@ -187,13 +187,13 @@
goalw Univ.thy [Pair_def]
"!!X. [| <a,b> : Vfrom(X,succ(i)); Transset(X) |] ==> \
\ a: Vfrom(X,i) & b: Vfrom(X,i)";
-by (fast_tac (!claset addSDs [doubleton_in_Vfrom_D, Vfrom_doubleton_D]) 1);
+by (blast_tac (!claset addSDs [doubleton_in_Vfrom_D, Vfrom_doubleton_D]) 1);
qed "Pair_in_Vfrom_D";
goal Univ.thy
"!!X. Transset(X) ==> \
\ (a*b) Int Vfrom(X, succ(i)) <= (a Int Vfrom(X,i)) * (b Int Vfrom(X,i))";
-by (fast_tac (!claset addSDs [Pair_in_Vfrom_D]) 1);
+by (blast_tac (!claset addSDs [Pair_in_Vfrom_D]) 1);
qed "product_Int_Vfrom_subset";
(*** Intersecting <a;b> with Vfrom... ***)