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doc-src/Tutorial/ToyList/lemma3
author wenzelm
Thu, 06 Jun 2002 14:50:48 +0200
changeset 13204 9dbee7f2aff7
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
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nipkow
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Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
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nipkow
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by(induct_tac "xs" 1);
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by(Auto_tac);
isabelle