English

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

History and Overview 2015-01-06 v2

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.

Keywords

Cite

@article{arxiv.1410.7526,
  title  = {Direct and indirect methods of proof. The Lehmus-Steiner theorem},
  author = {Vesselka Mihova and Julia Ninova},
  journal= {arXiv preprint arXiv:1410.7526},
  year   = {2015}
}