An Introduction to Trigonometry and its Applications

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This book represents a novel approach for the trigonometry and an original scientific work in this field, by using the ensemble structure composed of the real analysis and the axiomatic fundaments of ...
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Sets. Relations. R and R¯

Pp. 1-28 (28)

Vasile Postolică

Abstract

In this chapter we will briefly present the fundamental terminology of mathematics regarding notions such as set and, respectively, relation, mentioning the algebraic-topological structures for R and R__ sets.

Keywords:

Axiom, geometry, cardinal, relation, function, real number, extension, completeness axiom, Cantor- Dedekind, topology, implication.

Affiliation:

Romanian Academy of Scientists, “Vasile Alecsandri” University of Bacău, România.