changeset 4836 | fc5773ae2790 |
parent 4800 | 97c3a45d092b |
child 5183 | 89f162de39cf |
--- a/src/HOL/Option.ML Mon Apr 27 18:06:22 1998 +0200 +++ b/src/HOL/Option.ML Mon Apr 27 19:29:19 1998 +0200 @@ -56,8 +56,7 @@ val option_map_eq_Some = prove_goalw thy [option_map_def] "(option_map f xo = Some y) = (? z. xo = Some z & f z = y)" (K [asm_full_simp_tac (simpset() addsplits [split_option_case]) 1]); -AddSDs[option_map_eq_Some RS iffD1]; -Addsimps [option_map_eq_Some]; +AddIffs[option_map_eq_Some]; section "o2s";