Theory of parallels parallelism is symmetric; 6. Theory of parallels the Saccheri-Legendre theorem; 7. Theory of parallels the Three Musketeers theorem; 8.
Theory of parallels a little lemma; 9. Theory of parallels common perpendiculars; Theory of parallels the Pi function; Theory of parallels Convergence of parallels; Theory of parallels parallelism is transitive; Theory of parallels spherical triangles; Theory of parallels solid angles; Theory of parallels the Prism theorem; Theory of parallels circumcircles or lack thereof Part I ; Theory of parallels circumcircles or lack thereof Part II ; Bell wrote about Lobachevsky's influence on the following development of mathematics in his book Men of Mathematics : .
The boldness of his challenge and its successful outcome have inspired mathematicians and scientists in general to challenge other "axioms" or accepted "truths", for example the "law" of causality which, for centuries, have seemed as necessary to straight thinking as Euclid's postulate appeared until Lobachevsky discarded it.
The full impact of the Lobachevskian method of challenging axioms has probably yet to be felt. It is no exaggeration to call Lobachevsky the Copernicus of Geometry, for geometry is only a part of the vaster domain which he renovated; it might even be just to designate him as a Copernicus of all thought.
From Wikipedia, the free encyclopedia. Several transliterations of the mathematician's surname redirect here. For things named after him, see Lobachevsky disambiguation. Kagan's book N.
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Lobachevsky and His Contribution to Science first published in Russian in , p. Lobachevsky" , —give rather than , while the Dictionary of Scientific Biography gives December 2, Further information on Lobachevsky's birthdate can be found in: Athanase Papadopoulos ed.
Pangeometry , European Mathematical Society.
Lobachevsky" by G. Men of Mathematics. Touchstone Books. Author attributes this quote to another mathematician, William Kingdon Clifford. A history of mathematics: Introduction. Running Press. Rocznik Wschodni.
Issue 7—9. His stubbornness, reported atheism, and genius supported his rise as a champion of the proletariat. To the Soviets, Lobachevsky represented not just the greatness of the common man, emerging from a humble background as he did, he also was a revolutionary of sorts. Theory of parallels parallelism is transitive; Theory of parallels spherical triangles; Theory of parallels solid angles; Theory of parallels the Prism theorem; Theory of parallels circumcircles or lack thereof Part I ; Theory of parallels circumcircles or lack thereof Part II ; Theory of parallels the horocycle defined; Theory of parallels the horocycle as a limit circle; Theory of parallels concentric horocycles; Theory of parallels the horosphere; Theory of parallels spherical trigonometry; Theory of parallels the fundamental formula;
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