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doc-src/Tutorial/Recdef/fib
author wenzelm
Sun, 03 Oct 1999 15:51:38 +0200
changeset 7682 46de8064c93c
parent 6100 40d66bc3e83f
permissions -rw-r--r--
added Space, Comment token kinds (keep actual text); source: do not filter proper;

consts fib :: nat => nat
recdef fib "measure(%n. n)"
  "fib 0 = 0"
  "fib 1 = 1"
  "fib (Suc(Suc x)) = fib x + fib (Suc x)"
isabelle