changeset 11549 | e7265e70fd7c |
parent 11225 | 01181fdbc9f0 |
child 12516 | d09d0f160888 |
--- a/src/HOL/MicroJava/BV/Err.thy Tue Sep 04 17:31:18 2001 +0200 +++ b/src/HOL/MicroJava/BV/Err.thy Tue Sep 04 21:10:57 2001 +0200 @@ -257,7 +257,7 @@ [| semilat (A,r,f); x +_f y <=_r z; x:A; y:A; z:A |] ==> x <=_r z \<and> y <=_r z" by (rule plus_le_conv [THEN iffD1]) - case antecedent + case rule_context thus ?thesis apply (rule_tac iffI) apply clarify