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doc-src/Tutorial/Misc/natsum
author
paulson
Fri, 14 May 2004 16:50:13 +0200
changeset 14746
9f7b31cf74d8
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
deleted redundant proof lines
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"