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doc-src/Tutorial/Recdef/fib
author oheimb
Tue, 20 Feb 2001 18:48:34 +0100
changeset 11170 015af2fc7026
parent 6100 40d66bc3e83f
permissions -rw-r--r--
simplified proofs for splitI and splitD, added splitD' added split_conv_tac (also to claset()) as an optimization made split_all_tac safe introducing safe_full_simp_tac,EXISTING PROOFS MAY FAIL
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consts fib :: nat => nat
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recdef fib "measure(%n. n)"
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  "fib 0 = 0"
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  "fib 1 = 1"
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  "fib (Suc(Suc x)) = fib x + fib (Suc x)"
isabelle