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doc-src/Tutorial/ToyList/lemma3
author
oheimb
Mon, 12 Apr 2004 12:52:08 +0200
changeset 14536
43e436a4f293
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
added HOLCF/Streams.thy (with concatenation etc.)
Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
by(induct_tac "xs" 1);
by(Auto_tac);