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doc-src/Tutorial/ToyList/lemma3
author
ballarin
Fri, 02 May 2003 20:02:50 +0200
changeset 13949
0ce528cd6f19
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
HOL-Algebra complete for release Isabelle2003 (modulo section headers).
Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
by(induct_tac "xs" 1);
by(Auto_tac);