doc-src/Tutorial/Misc/NatSum.ML
author nipkow
Mon, 01 Jul 2002 12:50:35 +0200
changeset 13261 a0460a450cf9
parent 5377 efb799c5ed3c
permissions -rw-r--r--
fixed problem with linear arith.

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