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doc-src/Tutorial/Recdef/last
author wenzelm
Fri, 09 Nov 2001 00:16:52 +0100
changeset 12119 fab22bdb1496
parent 6100 40d66bc3e83f
permissions -rw-r--r--
added impose_hyps_tac; robustify insts of tactic emulations;

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