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doc-src/Tutorial/Misc/exhaust.ML
author wenzelm
Thu, 24 Jan 2002 22:42:14 +0100
changeset 12847 afa356dbcb15
parent 9255 2ceb11a2e190
permissions -rw-r--r--
fixed subgoal_tac; fails on non-existent subgoal;
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);
isabelle