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doc-src/Tutorial/ToyList/lemma3
author wenzelm
Fri, 02 Aug 2002 11:49:55 +0200
changeset 13443 1c3327c348b3
parent 5377 efb799c5ed3c
permissions -rw-r--r--
typedef: "open" option;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
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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