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doc-src/Tutorial/Recdef/sep1
author aspinall
Tue, 16 Nov 2004 20:20:14 +0100
changeset 15289 1d2dba93ef08
parent 6100 40d66bc3e83f
permissions -rw-r--r--
Markup obtain as introducing a nested goal.

recdef sep "measure (%(a,xs). length xs)"
  "sep(a, x#y#zs) = x # a # sep(a,y#zs)"
  "sep(a, xs)     = xs"
isabelle