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doc-src/Tutorial/Recdef/gcd
author wenzelm
Thu, 14 Dec 2000 19:37:09 +0100
changeset 10672 3b1c2d74a01b
parent 9255 2ceb11a2e190
permissions -rw-r--r--
use \<Sum> from main HOL;

recdef gcd "measure (%(m,n).n)"
  simpset "simpset() addsimps [mod_less_divisor]"
  "gcd (m, n) = (if n=0 then m else gcd(n, m mod n))"
isabelle