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doc-src/Tutorial/Recdef/gcd
author wenzelm
Wed, 23 Jan 2002 16:57:33 +0100
changeset 12837 74ce01905e57
parent 9255 2ceb11a2e190
permissions -rw-r--r--
* HOL: nat_number_of;

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