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Nonconstructive Proof

A Proof which indirectly shows a mathematical object exists without providing a specific example or algorithm for producing an example.

See also Proof


References

Courant, R. and Robbins, H. ``The Indirect Method of Proof.'' §2.4.4 in What is Mathematics?: An Elementary Approach to Ideas and Methods, 2nd ed. Oxford, England: Oxford University Press, pp. 86-87, 1996.




© 1996-9 Eric W. Weisstein
1999-05-25