doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Wed, 02 Aug 2000 19:40:14 +0200
changeset 9502 50ec59aff389
parent 5377 efb799c5ed3c
permissions -rw-r--r--
adapted deriv;

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