Preface, Contents, and Introduction
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Read by Jim Wrenholt |
The elements of geometry and the five groups of axioms
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Group I: Axioms of connection
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3:55 |
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Group II: Axioms of Order
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3:23 |
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Consequences of the axioms of connection and order
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7:00 |
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Group III: Axioms of Parallels (Euclid's axiom)
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Group IV: Axioms of congruence
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Consequences of the axioms of congruence
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Group V: Axiom of Continuity (Archimedes's axiom)
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Compatibility of the axioms
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Independence of the axioms of parallels. Non-euclidean geometry
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Independence of the axioms of congruence
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Independence of the axiom of continuity. Non-archimedean geometry
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Complex number-systems
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Demonstrations of Pascal's theorem
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An algebra of segments, based upon Pascal's theorem
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Proportion and the theorems of similitude
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Equations of straight lines and of planes
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Equal area and equal content of polygons
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Parallelograms and triangles having equal bases and equal altitudes
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The measure of area of triangles and polygons
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Equality of content and the measure of area
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Desargues's theorem and its demonstration for plane geometry by aid of the axio…
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The impossibility of demonstrating Desargues's theorem for the plane with the h…
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Introduction to the algebra of segments based upon the Desargues's theorme
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4:58 |
Read by Jim Wrenholt |
The commutative and associative law of addition for our new algebra of segments
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The associative law of multiplication and the two distributive laws for the new…
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12:16 |
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Equation of straight line, based upon the new algebra of segments
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8:17 |
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The totality of segments, regarded as a complex number system
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Construction of a geometry of space by aid of a desarguesian number system
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Significance of Desargues's theorem
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Two theorems concerning the possibility of proving Pascal's theorem
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The commutative law of multiplication for an archimedean number system
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The commutative law of multiplication for a non-archimedean number system
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9:46 |
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Proof of the two propositions concerning Pascal's theorem. Non-pascalian geomet…
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The demonstation, by means of the theorems of Pascal and Desargues
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Analytic representation of the co-ordinates of points which can be so construct…
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Geometrical constructions by means of a straight-edge and a transferer of segme…
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The representation of algebraic numbers and of integral rational functions as s…
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Criterion for the possibility of a geometrical construction by means of a strai…
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Conclusion
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Appendix
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22:31 |
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