doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Thu, 17 Aug 2000 10:38:43 +0200
changeset 9627 31d4a77c89d6
parent 5377 efb799c5ed3c
permissions -rw-r--r--
updated; tuned;

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