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doc-src/Tutorial/ToyList/lemma3
author paulson
Mon, 17 Mar 2003 17:37:20 +0100
changeset 13865 0a6bf71955b0
parent 5377 efb799c5ed3c
permissions -rw-r--r--
moved one proof, added another
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);
isabelle