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doc-src/Tutorial/Recdef/sep2
author wenzelm
Thu, 24 Jan 2002 22:42:14 +0100
changeset 12847 afa356dbcb15
parent 6100 40d66bc3e83f
permissions -rw-r--r--
fixed subgoal_tac; fails on non-existent subgoal;

consts sep :: 'a list => 'a => 'a list
recdef sep "measure length"
  "sep (x#y#zs) = (%a. x # a # sep zs a)"
  "sep xs       = (%a. xs)"
isabelle