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doc-src/Tutorial/Misc/exhaust.ML
author paulson
Tue, 16 May 2000 14:04:29 +0200
changeset 8876 f797816932d7
parent 5377 efb799c5ed3c
child 9255 2ceb11a2e190
permissions -rw-r--r--
reverted to old proof of dominoes_tile_row, given new treatment of #2+...
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";
efb799c5ed3c *** empty log message ***
nipkow
parents:
diff changeset 
     2
 
by(exhaust_tac "xs" 1);
isabelle