doc-src/Tutorial/Misc/NatSum.ML
author nipkow
Fri, 06 Oct 2000 12:31:53 +0200
changeset 10159 a72ddfdbfca0
parent 5377 efb799c5ed3c
permissions -rw-r--r--
*** empty log message ***

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