Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
Daichi OBINATA / earth2001y
2009.2.28 kosenconf-004fukui
≠
•        e∈N

•             x∈N                                       N
              x                    x'

•          ...
※
1.   e∈N

     N


           e
2.           x∈N
     N            x       x'

N                     x
         x
             x’
x'       x
3.            x∈N
         x' ≠ e


e         x'
                  e
4.             x,y ∈ N
     (x ≠ y)      (x' ≠ y')

x        y
5. ((e ∈ S)∧((x ∈ N)       (x' ∈ S)))   (S = N)
                 S     N
•        e∈N

•             x∈N                                       N
              x                    x'

•          ...
e   x
•e       0

• e'     1

• e''    2

• e'''       ry
x+y = x   y
x+y = x   y
※x y e
x+y' = (x+y)'
  x+e = x
5.
e' + e' = (e' + e)' = e''
•e       0

• e'     1

• e''    2

• e'''       ry
e' + e' = e'' → 1 + 1 = 2
•e
• e'     one

• e''    zwei

• e'''     ry
•e
• e'     1

• e''
• e'''       ry
•e
• e'     1

• e''
• e'''       ry
e' + e' = e'' → 1 + 1 =
1+1=
•e       72

• e'     83

• e''    91

• e'''        ry
72+72=72
72+72=72 < 91
 ※
※
x*y' = (x+x)*y
   x*e = e
ASCII
ASCII
        IEEE
0   1
id:earth2001y
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
How To Count Number
Upcoming SlideShare
Loading in …5
×

How To Count Number

1,543 views

Published on

  • Be the first to comment

  • Be the first to like this

How To Count Number

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

×