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doc-src/Tutorial/Misc/exhaust.ML
author
paulson
Mon, 26 Apr 1999 13:25:49 +0200
changeset 6509
9f7f4fd05b1f
parent 5377
efb799c5ed3c
child 9255
2ceb11a2e190
permissions
-rw-r--r--
fixed a bug many years old in rule plusEC
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(exhaust_tac "xs" 1);