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doc-src/Tutorial/Misc/NatSum.ML
changeset 5377
efb799c5ed3c
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5376:60b31a24f1a6
5377:efb799c5ed3c
1
Goal "sum n + sum n = n*(Suc n)";
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by(induct_tac "n" 1);
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by(Auto_tac);