doc-src/Tutorial/ToyList/lemma3
author paulson
Mon, 12 Nov 2001 10:56:38 +0100
changeset 12156 d2758965362e
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new-style numerals without leading #, along with generic 0 and 1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
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by(induct_tac "xs" 1);
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by(Auto_tac);