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arXiv · 1410.7526

Direct and indirect methods of proof. The Lehmus-Steiner theorem

Vesselka Mihova·Julia Ninova
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Abstract

In the paper different kinds of proof of a given statement are discussed. Detailed descriptions of direct and indirect methods of proof are given. Logical models illustrate the essence of specific types of indirect proofs. Direct proofs of Lehmus-Steiner's Theorem are proposed.

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Vesselka Mihova, Julia Ninova. 2014-10-28. Direct and indirect methods of proof. The Lehmus-Steiner theorem. https://arxiv.org/abs/1410.7526

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