Step | Hyp | Ref
| Expression |
1 | | sbc4rex 37353 |
. . . . . . . . 9
       ![]. ].](_drbrack.gif) 
             ![]. ].](_drbrack.gif)   |
2 | 1 | sbcbii 3491 |
. . . . . . . 8
       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif) 
         ![]. ].](_drbrack.gif)           ![]. ].](_drbrack.gif)   |
3 | | sbc4rex 37353 |
. . . . . . . 8
       ![]. ].](_drbrack.gif) 
         ![]. ].](_drbrack.gif)           ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
4 | 2, 3 | bitri 264 |
. . . . . . 7
       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif) 
             ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
5 | 4 | sbcbii 3491 |
. . . . . 6
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    
        ![]. ].](_drbrack.gif)           ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
6 | | sbc4rex 37353 |
. . . . . 6
         ![]. ].](_drbrack.gif) 
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)             ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
7 | 5, 6 | bitri 264 |
. . . . 5
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    
            ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
8 | 7 | a1i 11 |
. . . 4
                ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    
            ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
9 | 8 | rabbiia 3185 |
. . 3
               ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)                         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
10 | | rexfrabdioph.2 |
. . . . . . 7
   |
11 | | rexfrabdioph.1 |
. . . . . . . . 9
   |
12 | | nn0p1nn 11332 |
. . . . . . . . 9

    |
13 | 11, 12 | syl5eqel 2705 |
. . . . . . . 8

  |
14 | 13 | peano2nnd 11037 |
. . . . . . 7

    |
15 | 10, 14 | syl5eqel 2705 |
. . . . . 6

  |
16 | 15 | nnnn0d 11351 |
. . . . 5

  |
17 | 16 | adantr 481 |
. . . 4
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph  
  |
18 | | sbcrot5 37356 |
. . . . . . . . . . . . 13
       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
19 | 18 | sbcbii 3491 |
. . . . . . . . . . . 12
       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
20 | | sbcrot5 37356 |
. . . . . . . . . . . 12
       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
21 | 19, 20 | bitri 264 |
. . . . . . . . . . 11
       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
22 | 21 | sbcbii 3491 |
. . . . . . . . . 10
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
23 | | sbcrot5 37356 |
. . . . . . . . . 10
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
24 | 22, 23 | bitri 264 |
. . . . . . . . 9
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
25 | 24 | sbcbii 3491 |
. . . . . . . 8
         ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
26 | | reseq1 5390 |
. . . . . . . . . 10
                           |
27 | 26 | sbccomieg 37357 |
. . . . . . . . 9
         ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
  
           ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
28 | | fzssp1 12384 |
. . . . . . . . . . . . 13
       
   |
29 | 11 | oveq2i 6661 |
. . . . . . . . . . . . 13
       
   |
30 | 28, 29 | sseqtr4i 3638 |
. . . . . . . . . . . 12
         |
31 | | fzssp1 12384 |
. . . . . . . . . . . . 13
       
   |
32 | 10 | oveq2i 6661 |
. . . . . . . . . . . . 13
       
   |
33 | 31, 32 | sseqtr4i 3638 |
. . . . . . . . . . . 12
         |
34 | 30, 33 | sstri 3612 |
. . . . . . . . . . 11
         |
35 | | resabs1 5427 |
. . . . . . . . . . 11
                     
       |
36 | | dfsbcq 3437 |
. . . . . . . . . . 11
             
                    ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
37 | 34, 35, 36 | mp2b 10 |
. . . . . . . . . 10
               ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
38 | | fveq1 6190 |
. . . . . . . . . . . . 13
                       |
39 | 38 | sbccomieg 37357 |
. . . . . . . . . . . 12
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
  
         ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
40 | | elfz1end 12371 |
. . . . . . . . . . . . . . . 16

      |
41 | 13, 40 | sylib 208 |
. . . . . . . . . . . . . . 15

      |
42 | 33, 41 | sseldi 3601 |
. . . . . . . . . . . . . 14

      |
43 | | fvres 6207 |
. . . . . . . . . . . . . 14
                     |
44 | | dfsbcq 3437 |
. . . . . . . . . . . . . 14
              
             ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
45 | 42, 43, 44 | 3syl 18 |
. . . . . . . . . . . . 13

             ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
46 | | vex 3203 |
. . . . . . . . . . . . . . . . 17
 |
47 | 46 | resex 5443 |
. . . . . . . . . . . . . . . 16
       |
48 | | fveq1 6190 |
. . . . . . . . . . . . . . . . 17
                       |
49 | 48 | sbcco3g 3999 |
. . . . . . . . . . . . . . . 16
 
              ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
  
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
50 | 47, 49 | ax-mp 5 |
. . . . . . . . . . . . . . 15
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
  
         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)   |
51 | | elfz1end 12371 |
. . . . . . . . . . . . . . . . 17

      |
52 | 15, 51 | sylib 208 |
. . . . . . . . . . . . . . . 16

      |
53 | | fvres 6207 |
. . . . . . . . . . . . . . . 16
                     |
54 | | dfsbcq 3437 |
. . . . . . . . . . . . . . . 16
              
             ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
55 | 52, 53, 54 | 3syl 18 |
. . . . . . . . . . . . . . 15

             ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
56 | 50, 55 | syl5bb 272 |
. . . . . . . . . . . . . 14

         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
57 | 56 | sbcbidv 3490 |
. . . . . . . . . . . . 13

       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
58 | 45, 57 | bitrd 268 |
. . . . . . . . . . . 12

             ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
59 | 39, 58 | syl5bb 272 |
. . . . . . . . . . 11

         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
60 | 59 | sbcbidv 3490 |
. . . . . . . . . 10

         ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
61 | 37, 60 | syl5bb 272 |
. . . . . . . . 9

               ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
62 | 27, 61 | syl5bb 272 |
. . . . . . . 8

         ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
63 | 25, 62 | syl5bbr 274 |
. . . . . . 7

         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)
        ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
64 | 63 | rabbidv 3189 |
. . . . . 6

               ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)    |
65 | 64 | eleq1d 2686 |
. . . . 5

                ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph 
               ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph     |
66 | 65 | biimpar 502 |
. . . 4
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph                  ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph    |
67 | | rexfrabdioph.3 |
. . . . 5
   |
68 | | rexfrabdioph.4 |
. . . . 5
   |
69 | | rexfrabdioph.5 |
. . . . 5
   |
70 | | rexfrabdioph.6 |
. . . . 5
   |
71 | 67, 68, 69, 70 | 4rexfrabdioph 37362 |
. . . 4
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)         ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph                      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph    |
72 | 17, 66, 71 | syl2anc 693 |
. . 3
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph                      ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph    |
73 | 9, 72 | syl5eqel 2705 |
. 2
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph                  ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)      Dioph    |
74 | 11, 10 | 2rexfrabdioph 37360 |
. 2
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)      Dioph   
             Dioph    |
75 | 73, 74 | syldan 487 |
1
                 ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)       ![]. ].](_drbrack.gif)  Dioph   
             Dioph    |