The Cross Law in Universal Hyperbolic Geometry - Universal Hyperbolic Geometry - NJ Wildberger

The Cross Law in Universal Hyperbolic Geometry - Universal Hyperbolic Geometry - NJ Wildberger

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pg 5: @28:22 A pleasant consequence of the cross law; Equilateral triangle theorem; proof; exercise 28-2 @

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pg 5: @28:22 A pleasant consequence of the cross law; Equilateral triangle theorem; proof; exercise 28-2 @

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The Cross Law in Universal Hyperbolic Geometry - Universal Hyperbolic Geometry - NJ Wildberger

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  1. 1 CONTENT SUMMARY: pg 1: @ Cross law in Euclidean R.T. review; Cross law in UHG; Cross Dual law
  2. 2 pg 2: @ Reluctant exposure to classical hyperbolic geometry; exercise 28.1
  3. 3 @09:25 ; observation - Euclidean cross law as a limiting case @
  4. 4 pg 3: @12:46 Cross law hyperbolic version; proof; heavenly assistance
  5. 5 pg 4: @16:21 proof continued; using a computer Scientific Workplace to verify an identity @21:41 ; proof complete @
  6. 6 pg 5: @28:22 A pleasant consequence of the cross law; Equilateral triangle theorem; proof; exercise 28-2 @
  7. 7 pg 6: @ exercises 28.3-5 THANKS to EmptySpaceEnterprise

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