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doc-src/Tutorial/Misc/NatSum.ML
author
nipkow
Wed, 02 Sep 1998 16:52:06 +0200
changeset 5425
157c6663dedd
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
Added function upto to List. Had to rearrange loading sequence because now List uses Recdef.
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);