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doc-src/Tutorial/ToyList/lemma1
author
nipkow
Thu, 10 May 2001 17:28:40 +0200
changeset 11295
66925f23ac7f
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
improved tracing of permutative rules.
Goal "rev(xs @ ys) = (rev ys) @ (rev xs)";