changeset 4833 | 2e53109d4bc8 |
parent 4477 | b3e5857d8d99 |
child 5068 | fb28eaa07e01 |
--- a/src/HOLCF/Lift3.ML Mon Apr 27 16:46:56 1998 +0200 +++ b/src/HOLCF/Lift3.ML Mon Apr 27 16:47:50 1998 +0200 @@ -94,12 +94,6 @@ by (fast_tac (HOL_cs addSEs prems) 1); qed"Lift_cases"; -goal thy - "P(lift_case a b x) = ((x=UU --> P a) & (!y. x = Def y --> P(b y)))"; -by (lift.induct_tac "x" 1); -by (ALLGOALS Asm_simp_tac); -qed "expand_lift_case"; - goal thy "(x~=UU)=(? y. x=Def y)"; by (rtac iffI 1); by (rtac Lift_cases 1);