doc-src/Tutorial/Misc/Fib.thy
author berghofe
Tue, 07 Nov 2000 17:50:21 +0100
changeset 10415 e6d7b77a0574
parent 5377 efb799c5ed3c
permissions -rw-r--r--
moved rewriting functions from Drule to MetaSimplifier

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