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doc-src/Tutorial/Misc/exhaust.ML
author paulson
Mon, 02 Feb 2004 12:23:46 +0100
changeset 14371 c78c7da09519
parent 9255 2ceb11a2e190
permissions -rw-r--r--
Conversion of HyperNat to Isar format and its declaration as a semiring
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5377
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     1
 
Goal "(case xs of [] => [] | y#ys => xs) = xs";
9255
2ceb11a2e190 *** empty log message ***
nipkow
parents: 5377
diff changeset 
     2
 
by(case_tac "xs" 1);
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