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doc-src/Tutorial/Recdef/gcd
author paulson
Mon, 02 Feb 2004 12:23:46 +0100
changeset 14371 c78c7da09519
parent 9255 2ceb11a2e190
permissions -rw-r--r--
Conversion of HyperNat to Isar format and its declaration as a semiring

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