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doc-src/Tutorial/ToyList/lemma3
author
berghofe
Mon, 10 Dec 2001 15:26:42 +0100
changeset 12443
e56ab6134b41
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
Turned subcls1 into an inductive relation to make it executable.
Goal "(xs @ ys) @ zs = xs @ (ys @ zs)";
by(induct_tac "xs" 1);
by(Auto_tac);