Subsection: Definitions from Book 7

This subsection lists the definitions from Book 7 of "Euclid’s Elements".

  1. Definition: 7.01: Unit
  2. Definition: 7.02: Number
  3. Definition: 7.03: Proper Divisor
  4. Definition: 7.04: Aliquant Part, a Number Being Not a Divisor of Another Number
  5. Definition: 7.05: Multiple, Number Multiplying another Number
  6. Definition: 7.06: Even Number
  7. Definition: 7.07: Odd Number
  8. Definition: 7.08: Even-Times-Even Number
  9. Definition: 7.09: Even-Times-Odd Number
  10. Definition: 7.10: Odd-Times-Odd Number
  11. Definition: 7.11: Prime Number
  12. Definition: 7.12: Co-prime (Relatively Prime) Numbers
  13. Definition: 7.13: Composite Number
  14. Definition: 7.14: Not Co-prime Numbers
  15. Definition: 7.15: Multiplication of Numbers
  16. Definition: 7.16: Rectangular Number, Plane Number
  17. Definition: 7.17: Cuboidal Number, Solid Number
  18. Definition: 7.18: Square Number
  19. Definition: 7.19: Cubic Number, Cube Number
  20. Definition: 7.20: Proportional Numbers
  21. Definition: 7.21: Similar Rectangles and Similar Cuboids, Similar Plane and Solid Numbers
  22. Definition: 7.22: Perfect Number

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