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doc-src/Tutorial/Misc/NatSum.ML
author
nipkow
Sun, 06 Apr 2003 10:08:52 +0200
changeset 13899
12c7029d278b
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);