changeset 6956 | 18c0457efd3d |
parent 6814 | d96d4977f94e |
child 7494 | 45905028bb1d |
--- a/src/HOL/Ord.ML Fri Jul 09 18:54:55 1999 +0200 +++ b/src/HOL/Ord.ML Fri Jul 09 18:58:05 1999 +0200 @@ -17,10 +17,12 @@ "[| !!A B. A <= B ==> f(A) <= f(B) |] ==> mono(f)"; by (REPEAT (ares_tac [allI, impI, prem] 1)); qed "monoI"; +AddXIs [monoI]; Goalw [mono_def] "[| mono(f); A <= B |] ==> f(A) <= f(B)"; by (Fast_tac 1); qed "monoD"; +AddXDs [monoD]; section "Orders";