doc-src/Tutorial/Misc/Fib.thy
author berghofe
Thu, 23 Sep 2004 10:20:52 +0200
changeset 15204 d15f85347fcb
parent 5377 efb799c5ed3c
permissions -rw-r--r--
- Inserted additional check for equality types in check_mode_clause that avoids ill-typed code to be generated. - Mode inference algorithm now outputs additional diagnostic messages.

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