src/HOL/Prod.ML
changeset 1552 6f71b5d46700
parent 1515 4ed79ebab64d
child 1618 372880456b5b
--- a/src/HOL/Prod.ML	Wed Mar 06 12:19:16 1996 +0100
+++ b/src/HOL/Prod.ML	Wed Mar 06 12:52:11 1996 +0100
@@ -78,7 +78,7 @@
 end;
 
 goal Prod.thy "(!x. P x) = (!a b. P(a,b))";
-by(fast_tac (HOL_cs addbefore split_all_tac 1) 1);
+by (fast_tac (HOL_cs addbefore split_all_tac 1) 1);
 qed "split_paired_All";
 
 goalw Prod.thy [split_def] "split c (a,b) = c a b";
@@ -123,7 +123,7 @@
   Could instead call simp_tac/asm_full_simp_tac using split as rewrite.*)
 
 goal Prod.thy "!!p. [| !!a b. p=(a,b) ==> c a b |] ==> split c p";
-by(split_all_tac 1);
+by (split_all_tac 1);
 by (Asm_simp_tac 1);
 qed "splitI2";
 
@@ -145,7 +145,7 @@
 qed "mem_splitI";
 
 goal Prod.thy "!!p. [| !!a b. p=(a,b) ==> z: c a b |] ==> z: split c p";
-by(split_all_tac 1);
+by (split_all_tac 1);
 by (Asm_simp_tac 1);
 qed "mem_splitI2";