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doc-src/Tutorial/Misc/NatSum.ML
author
wenzelm
Mon, 17 May 1999 21:36:11 +0200
changeset 6666
be06ed5d0b4c
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
cleaned comments; ThyInfo.finalize_all renamed to ThyInfo.finish; added remove_thy;
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);