doc-src/Tutorial/Misc/NatSum.ML
author nipkow
Tue, 04 Jul 2000 12:04:16 +0200
changeset 9242 c472ed4edded
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added a thm.

Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);