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# How To Count Number

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• 1. Daichi OBINATA / earth2001y 2009.2.28 kosenconf-004fukui
• 2.
• 3. • e∈N • x∈N N x x' • x≠e x∈N • x,y ∈ N (x ≠ y) (x' ≠ y') • ((e ∈ S)∧((x ∈ N) (x' ∈ S))) (S = N) S N
• 4.
• 5. 1. e∈N N e
• 6. 2. x∈N N x x' N x x x’ x' x
• 7. 3. x∈N x' ≠ e e x' e
• 8. 4. x,y ∈ N (x ≠ y) (x' ≠ y') x y
• 9. 5. ((e ∈ S)∧((x ∈ N) (x' ∈ S))) (S = N) S N
• 10. • e∈N • x∈N N x x' • x≠e x∈N • x,y ∈ N (x ≠ y) (x' ≠ y') • ((e ∈ S)∧((x ∈ N) (x' ∈ S))) (S = N) S N
• 11. e x
• 12. •e 0 • e' 1 • e'' 2 • e''' ry
• 13. x+y = x y
• 14. x+y = x y ※x y e
• 15. x+y' = (x+y)' x+e = x
• 16. 5.
• 17. e' + e' = (e' + e)' = e''
• 18. •e 0 • e' 1 • e'' 2 • e''' ry
• 19. e' + e' = e'' → 1 + 1 = 2
• 20. •e • e' one • e'' zwei • e''' ry
• 21. •e • e' 1 • e'' • e''' ry
• 22. •e • e' 1 • e'' • e''' ry
• 23. e' + e' = e'' → 1 + 1 =
• 24. 1+1=
• 25. •e 72 • e' 83 • e'' 91 • e''' ry
• 26. 72+72=72
• 27. 72+72=72 < 91 ※
• 28.
• 29. x*y' = (x+x)*y x*e = e
• 30. ASCII
• 31. ASCII IEEE
• 32. 0 1
• 33. id:earth2001y