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doc-src/Tutorial/Misc/exhaust.ML
author wenzelm
Tue, 04 Apr 2000 18:08:08 +0200
changeset 8666 6c21e6f91804
parent 5377 efb799c5ed3c
child 9255 2ceb11a2e190
permissions -rw-r--r--
case_tac / induct_tac: optional rule;
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