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doc-src/Tutorial/Misc/NatSum.ML
author
paulson
Wed, 11 Nov 1998 15:45:32 +0100
changeset 5846
d99feda2d226
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
tidied
Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);