# HG changeset patch # User nipkow # Date 1750951833 -7200 # Node ID 59b937edcff8a7c10e00fb290863855b1b915d46 # Parent 4a1320dac3f34426ad4a1a069a60987ba5946f11# Parent 40e4e955c846e25e4f74bf4b70fb15fe2aac27ac merged diff -r 4a1320dac3f3 -r 59b937edcff8 src/HOL/List.thy --- a/src/HOL/List.thy Thu Jun 26 17:16:14 2025 +0200 +++ b/src/HOL/List.thy Thu Jun 26 17:30:33 2025 +0200 @@ -3417,7 +3417,7 @@ "\w x y z. f w x = f y z \ w = y \ x = z" and "\x y. f x y \ a" and "\x y. f x y \ b" - shows "foldr f xs a = foldr f ys b \ a = b \ xs = ys" + shows "foldr f xs a = foldr f ys b \ xs = ys \ a = b" by (induction xs ys rule: list_induct2') (use assms(2,3,1) in auto)