changeset 9458 | c613cd06d5cf |
parent 8771 | 026f37a86ea7 |
child 9541 | d17c0b34d5c8 |
--- a/doc-src/TutorialI/Recdef/simplification.thy Fri Jul 28 13:04:59 2000 +0200 +++ b/doc-src/TutorialI/Recdef/simplification.thy Fri Jul 28 16:02:51 2000 +0200 @@ -90,9 +90,9 @@ *} lemma [simp]: "gcd (m, 0) = m"; -apply(simp).; +by(simp); lemma [simp]: "n \\<noteq> 0 \\<Longrightarrow> gcd(m, n) = gcd(n, m mod n)"; -apply(simp).; +by(simp); text{*\noindent after which we can disable the original simplification rule: