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doc-src/Tutorial/Misc/exhaust.ML
author
kleing
Mon, 15 Oct 2001 21:04:32 +0200
changeset 11787
85b3735a51e1
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
canonical 'cases'/'induct' rules for n-tuples (n=3..7) (really belongs to theory Product_Type, but doesn't work there yet)
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);