doc-src/Tutorial/Recdef/gcd
author wenzelm
Tue, 27 Apr 1999 15:10:36 +0200
changeset 6526 6b64d1454ee3
parent 6100 40d66bc3e83f
child 9255 2ceb11a2e190
permissions -rw-r--r--
added Isar_examples/NatSum.thy;

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))"