changeset 11809 | c9ffdd63dd93 |
parent 10948 | 1bd100c82300 |
child 14706 | 71590b7733b7 |
--- a/src/HOL/Library/Nested_Environment.thy Tue Oct 16 17:56:12 2001 +0200 +++ b/src/HOL/Library/Nested_Environment.thy Tue Oct 16 17:58:13 2001 +0200 @@ -216,7 +216,7 @@ es' y = Some env' \<and> lookup env' ys = Some e" (is "PROP ?P xs" is "!!env e. ?A env e xs ==> ?C env e xs") -proof (induct ?P xs) +proof (induct xs) fix env e let ?A = "?A env e" and ?C = "?C env e" { assume "?A []"