doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Sun, 25 Oct 1998 12:33:27 +0100
changeset 5769 6a422b22ba02
parent 5377 efb799c5ed3c
permissions -rw-r--r--
tuned checklist;

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