doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Sat, 18 Nov 2000 19:48:34 +0100
changeset 10495 284ee538991c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
export freeze_thaw_type;

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