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doc-src/Tutorial/Misc/NatSum.ML
author
nipkow
Thu, 13 Dec 2001 19:05:10 +0100
changeset 12492
a4dd02e744e0
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
*** empty log message ***
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);