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doc-src/Tutorial/Misc/natsum
author
wenzelm
Fri, 09 Nov 2001 00:16:52 +0100
changeset 12119
fab22bdb1496
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
added impose_hyps_tac; robustify insts of tactic emulations;
consts sum :: nat => nat
primrec
"sum 0 = 0"
"sum (Suc n) = Suc n + sum n"