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doc-src/Tutorial/ToyList/lemma3
author oheimb
Tue, 01 Feb 2000 18:18:36 +0100
changeset 8180 879280b50571
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added forgotten definition of make_imp_tac
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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