Step | Hyp | Ref
| Expression |
1 | | nndi 6123 |
. . . . . . . 8
 
             |
2 | 1 | adantl 271 |
. . . . . . 7
      
   


   
              |
3 | | simplll 500 |
. . . . . . . 8
   


   


     |
4 | | simprlr 505 |
. . . . . . . . 9
   


   


     |
5 | | pinn 6550 |
. . . . . . . . 9
   |
6 | 4, 5 | syl 14 |
. . . . . . . 8
   


   


     |
7 | | nnmcl 6118 |
. . . . . . . 8
 
     |
8 | 3, 6, 7 | syl2anc 403 |
. . . . . . 7
   


   


       |
9 | | simpllr 501 |
. . . . . . . . 9
   


   


     |
10 | | pinn 6550 |
. . . . . . . . 9
   |
11 | 9, 10 | syl 14 |
. . . . . . . 8
   


   


     |
12 | | simprll 504 |
. . . . . . . 8
   


   


     |
13 | | nnmcl 6118 |
. . . . . . . 8
 
     |
14 | 11, 12, 13 | syl2anc 403 |
. . . . . . 7
   


   


       |
15 | | simplrr 503 |
. . . . . . . . 9
   


   


     |
16 | | pinn 6550 |
. . . . . . . . 9
   |
17 | 15, 16 | syl 14 |
. . . . . . . 8
   


   


     |
18 | | simprrr 507 |
. . . . . . . . 9
   


   


     |
19 | | pinn 6550 |
. . . . . . . . 9
   |
20 | 18, 19 | syl 14 |
. . . . . . . 8
   


   


     |
21 | | nnmcl 6118 |
. . . . . . . 8
 
     |
22 | 17, 20, 21 | syl2anc 403 |
. . . . . . 7
   


   


       |
23 | | nnacl 6117 |
. . . . . . . 8
 
     |
24 | 23 | adantl 271 |
. . . . . . 7
      
   


   
      |
25 | | nnmcom 6126 |
. . . . . . . 8
 
       |
26 | 25 | adantl 271 |
. . . . . . 7
      
   


   
        |
27 | 2, 8, 14, 22, 24, 26 | caovdir2d 5702 |
. . . . . 6
   


   


                             |
28 | | nnmass 6124 |
. . . . . . . . 9
 
           |
29 | 28 | adantl 271 |
. . . . . . . 8
      
   


   
            |
30 | | nnmcl 6118 |
. . . . . . . . 9
 
     |
31 | 30 | adantl 271 |
. . . . . . . 8
      
   


   
      |
32 | 3, 6, 17, 26, 29, 20, 31 | caov4d 5710 |
. . . . . . 7
   


   


                 |
33 | 11, 12, 17, 26, 29, 20, 31 | caov4d 5710 |
. . . . . . 7
   


   


                 |
34 | 32, 33 | oveq12d 5555 |
. . . . . 6
   


   


                                 |
35 | 27, 34 | eqtrd 2114 |
. . . . 5
   


   


                             |
36 | | oveq1 5544 |
. . . . . 6
                   |
37 | | oveq2 5545 |
. . . . . 6
                   |
38 | 36, 37 | oveqan12d 5556 |
. . . . 5
      
                                  |
39 | 35, 38 | sylan9eq 2134 |
. . . 4
      
   


       
                                |
40 | | nnmcl 6118 |
. . . . . . . 8
 
     |
41 | 11, 6, 40 | syl2anc 403 |
. . . . . . 7
   


   


       |
42 | | simplrl 502 |
. . . . . . . 8
   


   


     |
43 | | nnmcl 6118 |
. . . . . . . 8
 
     |
44 | 42, 20, 43 | syl2anc 403 |
. . . . . . 7
   


   


       |
45 | | simprrl 506 |
. . . . . . . 8
   


   


     |
46 | | nnmcl 6118 |
. . . . . . . 8
 
     |
47 | 17, 45, 46 | syl2anc 403 |
. . . . . . 7
   


   


       |
48 | | nndi 6123 |
. . . . . . 7
    
 
                            |
49 | 41, 44, 47, 48 | syl3anc 1170 |
. . . . . 6
   


   


                             |
50 | 11, 6, 42, 26, 29, 20, 31 | caov4d 5710 |
. . . . . . 7
   


   


                 |
51 | 11, 6, 17, 26, 29, 45, 31 | caov4d 5710 |
. . . . . . 7
   


   


                 |
52 | 50, 51 | oveq12d 5555 |
. . . . . 6
   


   


                                 |
53 | 49, 52 | eqtrd 2114 |
. . . . 5
   


   


                             |
54 | 53 | adantr 270 |
. . . 4
      
   


       
                                |
55 | 39, 54 | eqtr4d 2117 |
. . 3
      
   


       
                            |
56 | | nnacl 6117 |
. . . . . 6
    
          |
57 | 8, 14, 56 | syl2anc 403 |
. . . . 5
   


   


           |
58 | | mulpiord 6558 |
. . . . . . . 8
 
       |
59 | | mulclpi 6569 |
. . . . . . . 8
 
     |
60 | 58, 59 | eqeltrrd 2157 |
. . . . . . 7
 
     |
61 | 60 | ad2ant2l 492 |
. . . . . 6
      
    |
62 | 61 | ad2ant2r 493 |
. . . . 5
   


   


       |
63 | | nnacl 6117 |
. . . . . 6
    
          |
64 | 44, 47, 63 | syl2anc 403 |
. . . . 5
   


   


           |
65 | | mulpiord 6558 |
. . . . . . . 8
 
       |
66 | | mulclpi 6569 |
. . . . . . . 8
 
     |
67 | 65, 66 | eqeltrrd 2157 |
. . . . . . 7
 
     |
68 | 67 | ad2ant2l 492 |
. . . . . 6
      
    |
69 | 68 | ad2ant2l 492 |
. . . . 5
   


   


       |
70 | | enq0breq 6677 |
. . . . 5
                      
           
~Q0           
                       |
71 | 57, 62, 64, 69, 70 | syl22anc 1171 |
. . . 4
   


   


              
~Q0           
                       |
72 | 71 | adantr 270 |
. . 3
      
   


       
                 
~Q0           
                       |
73 | 55, 72 | mpbird 165 |
. 2
      
   


       
                
~Q0              |
74 | 73 | ex 113 |
1
   


   


                        
~Q0               |