author | kleing |
Fri, 16 Sep 2011 12:10:15 +1000 | |
changeset 44938 | 98e05fc1ce7d |
parent 44937 | 22c0857b8aab |
child 44939 | 5930d35c976d |
--- a/src/HOL/Word/Word.thy Thu Sep 15 12:40:08 2011 -0400 +++ b/src/HOL/Word/Word.thy Fri Sep 16 12:10:15 2011 +1000 @@ -4514,7 +4514,7 @@ apply (simp add: mod_nat_add word_size) done -lemma word_neq_0_conv [simp]: +lemma word_neq_0_conv: fixes w :: "'a :: len word" shows "(w \<noteq> 0) = (0 < w)" proof -