doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Tue, 21 Sep 1999 18:11:08 +0200
changeset 7567 62384a807775
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed unfold of facts;

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