changeset 99 | be01ba66ba7b |
parent 95 | 3da472b96f25 |
child 100 | e0d0e5b4994f |
--- a/simpdata.ML Wed Jul 27 19:08:40 1994 +0200 +++ b/simpdata.ML Tue Aug 02 16:43:39 1994 +0200 @@ -63,11 +63,11 @@ "(!x.P) = P", "(? x.P) = P", "(P|Q --> R) = ((P-->R)&(Q-->R))" ]; +in + val meta_obj_reflection = prove_goal HOL.thy "x==y ==> x=y" (fn [prem] => [rewtac prem, rtac refl 1]); -in - val eq_sym_conv = prover "(x=y) = (y=x)"; val conj_assoc = prover "((P&Q)&R) = (P&(Q&R))";