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doc-src/Tutorial/ToyList/lemma3
author wenzelm
Fri, 17 Mar 2000 16:30:45 +0100
changeset 8499 8958ece3bbdf
parent 5377 efb799c5ed3c
permissions -rw-r--r--
old_symbol_source: include header;
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