7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 1/21

     

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 2/21

   

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 3/21

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 4/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 5/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 6/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 7/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 8/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 9/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 10/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 11/21

 

 

 

 

 

 

 

 

 

 

 

   

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 12/21

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 13/21

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 14/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 15/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 16/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 17/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 18/21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 19/21

     o     o

       0

       1

       2

       3

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 20/21

     α

       β

     ε

     γ

       δ

     a       1

       2     a

        b

     c        d

     e

 

7/21/2019 Butterfield : Topos theory and Partial Truth

http://slidepdf.com/reader/full/butterfield-topos-theory-and-partial-truth 21/21

 f 

 f 

K(F)

X(F)

K(A)

K(B)K(E)

K(D)K(C)

X(D)X(C) X( )

F

A

C D

EB

X(A)

X(B)X(E)