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doc-src/Tutorial/Misc/Fib.thy
author paulson
Fri, 21 Apr 2000 11:29:57 +0200
changeset 8759 49154c960140
parent 5377 efb799c5ed3c
permissions -rw-r--r--
new file containing simproc invocations, from NatBin.ML

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
isabelle