doc-src/Tutorial/Misc/NatSum.ML
author wenzelm
Thu, 15 Nov 2001 23:21:57 +0100
changeset 12216 dda8c04a8fb4
parent 5377 efb799c5ed3c
permissions -rw-r--r--
isatool unsymbolize;

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