Proof of Theorem ipdirilem
Step | Hyp | Ref
| Expression |
1 | | 2cn 11091 |
. . . . . . 7
 |
2 | | 2ne0 11113 |
. . . . . . 7
 |
3 | 1, 2 | recidi 10756 |
. . . . . 6
     |
4 | 3 | oveq1i 6660 |
. . . . 5
                     |
5 | | ip1i.9 |
. . . . . . 7
  |
6 | 5 | phnvi 27671 |
. . . . . 6
 |
7 | | halfcn 11247 |
. . . . . . 7
   |
8 | | ipdiri.8 |
. . . . . . . 8
 |
9 | | ipdiri.9 |
. . . . . . . 8
 |
10 | | ip1i.1 |
. . . . . . . . 9
     |
11 | | ip1i.2 |
. . . . . . . . 9
     |
12 | 10, 11 | nvgcl 27475 |
. . . . . . . 8
 
       |
13 | 6, 8, 9, 12 | mp3an 1424 |
. . . . . . 7
     |
14 | 1, 7, 13 | 3pm3.2i 1239 |
. . . . . 6
         |
15 | | ip1i.4 |
. . . . . . 7
      |
16 | 10, 15 | nvsass 27483 |
. . . . . 6
                                       |
17 | 6, 14, 16 | mp2an 708 |
. . . . 5
                           |
18 | 10, 15 | nvsid 27482 |
. . . . . 6
                     |
19 | 6, 13, 18 | mp2an 708 |
. . . . 5
             |
20 | 4, 17, 19 | 3eqtr3i 2652 |
. . . 4
                   |
21 | 20 | oveq1i 6660 |
. . 3
                           |
22 | | ip1i.7 |
. . . 4
      |
23 | 10, 15 | nvscl 27481 |
. . . . 5
                     |
24 | 6, 7, 13, 23 | mp3an 1424 |
. . . 4
           |
25 | | ipdiri.10 |
. . . 4
 |
26 | 10, 11, 15, 22, 5, 24, 25 | ip2i 27683 |
. . 3
                                   |
27 | 21, 26 | eqtr3i 2646 |
. 2
                         |
28 | | neg1cn 11124 |
. . . . . 6
  |
29 | 10, 15 | nvscl 27481 |
. . . . . 6
           |
30 | 6, 28, 9, 29 | mp3an 1424 |
. . . . 5
      |
31 | 10, 11 | nvgcl 27475 |
. . . . 5
 
                 |
32 | 6, 8, 30, 31 | mp3an 1424 |
. . . 4
          |
33 | 10, 15 | nvscl 27481 |
. . . 4
                               |
34 | 6, 7, 32, 33 | mp3an 1424 |
. . 3
                |
35 | 10, 11, 15, 22, 5, 24, 34, 25 | ip1i 27682 |
. 2
                                                                                          |
36 | | eqid 2622 |
. . . . . . . . . . . 12
         |
37 | 36 | nvvc 27470 |
. . . . . . . . . . 11
        |
38 | 6, 37 | ax-mp 5 |
. . . . . . . . . 10
      |
39 | 11 | vafval 27458 |
. . . . . . . . . . 11
         |
40 | 39 | vcablo 27424 |
. . . . . . . . . 10
        |
41 | 38, 40 | ax-mp 5 |
. . . . . . . . 9
 |
42 | 8, 9 | pm3.2i 471 |
. . . . . . . . 9
   |
43 | 8, 30 | pm3.2i 471 |
. . . . . . . . 9
        |
44 | 10, 11 | bafval 27459 |
. . . . . . . . . 10
 |
45 | 44 | ablo4 27404 |
. . . . . . . . 9
  
                                             |
46 | 41, 42, 43, 45 | mp3an 1424 |
. . . . . . . 8
                                   |
47 | 15 | smfval 27460 |
. . . . . . . . . . 11
         |
48 | 39, 47, 44 | vc2OLD 27423 |
. . . . . . . . . 10
                  |
49 | 38, 8, 48 | mp2an 708 |
. . . . . . . . 9
         |
50 | | eqid 2622 |
. . . . . . . . . . 11
         |
51 | 10, 11, 15, 50 | nvrinv 27506 |
. . . . . . . . . 10
                  |
52 | 6, 9, 51 | mp2an 708 |
. . . . . . . . 9
              |
53 | 49, 52 | oveq12i 6662 |
. . . . . . . 8
                              |
54 | 10, 15 | nvscl 27481 |
. . . . . . . . . 10
         |
55 | 6, 1, 8, 54 | mp3an 1424 |
. . . . . . . . 9
     |
56 | 10, 11, 50 | nv0rid 27490 |
. . . . . . . . 9
                         |
57 | 6, 55, 56 | mp2an 708 |
. . . . . . . 8
                 |
58 | 46, 53, 57 | 3eqtri 2648 |
. . . . . . 7
                      |
59 | 58 | oveq2i 6661 |
. . . . . 6
                                  |
60 | 7, 1, 8 | 3pm3.2i 1239 |
. . . . . . 7
     |
61 | 10, 15 | nvsass 27483 |
. . . . . . 7
    
                      |
62 | 6, 60, 61 | mp2an 708 |
. . . . . 6
                   |
63 | 59, 62 | eqtr4i 2647 |
. . . . 5
                                |
64 | 7, 13, 32 | 3pm3.2i 1239 |
. . . . . 6
                  |
65 | 10, 11, 15 | nvdi 27485 |
. . . . . 6
                                                                          |
66 | 6, 64, 65 | mp2an 708 |
. . . . 5
                                                     |
67 | | ax-1cn 9994 |
. . . . . . . 8
 |
68 | 67, 1, 2 | divcan1i 10769 |
. . . . . . 7
     |
69 | 68 | oveq1i 6660 |
. . . . . 6
             |
70 | 10, 15 | nvsid 27482 |
. . . . . . 7
         |
71 | 6, 8, 70 | mp2an 708 |
. . . . . 6
     |
72 | 69, 71 | eqtri 2644 |
. . . . 5
         |
73 | 63, 66, 72 | 3eqtr3i 2652 |
. . . 4
                              |
74 | 73 | oveq1i 6660 |
. . 3
                                      |
75 | 28, 7 | mulcomi 10046 |
. . . . . . . . 9
           |
76 | 75 | oveq1i 6660 |
. . . . . . . 8
                                     |
77 | 28, 7, 32 | 3pm3.2i 1239 |
. . . . . . . . 9
               |
78 | 10, 15 | nvsass 27483 |
. . . . . . . . 9
                
                                        |
79 | 6, 77, 78 | mp2an 708 |
. . . . . . . 8
                                       |
80 | 7, 28, 32 | 3pm3.2i 1239 |
. . . . . . . . . 10
               |
81 | 10, 15 | nvsass 27483 |
. . . . . . . . . 10
                
                                        |
82 | 6, 80, 81 | mp2an 708 |
. . . . . . . . 9
                                       |
83 | 28, 8, 30 | 3pm3.2i 1239 |
. . . . . . . . . . . 12
 
       |
84 | 10, 11, 15 | nvdi 27485 |
. . . . . . . . . . . 12
   
      
                                   |
85 | 6, 83, 84 | mp2an 708 |
. . . . . . . . . . 11
                                  |
86 | | neg1mulneg1e1 11245 |
. . . . . . . . . . . . . 14
     |
87 | 86 | oveq1i 6660 |
. . . . . . . . . . . . 13
             |
88 | 28, 28, 9 | 3pm3.2i 1239 |
. . . . . . . . . . . . . 14
  
  |
89 | 10, 15 | nvsass 27483 |
. . . . . . . . . . . . . 14
    
 
                    |
90 | 6, 88, 89 | mp2an 708 |
. . . . . . . . . . . . 13
                   |
91 | 10, 15 | nvsid 27482 |
. . . . . . . . . . . . . 14
         |
92 | 6, 9, 91 | mp2an 708 |
. . . . . . . . . . . . 13
     |
93 | 87, 90, 92 | 3eqtr3i 2652 |
. . . . . . . . . . . 12
           |
94 | 93 | oveq2i 6661 |
. . . . . . . . . . 11
                             |
95 | 85, 94 | eqtri 2644 |
. . . . . . . . . 10
                        |
96 | 95 | oveq2i 6661 |
. . . . . . . . 9
                                    |
97 | 82, 96 | eqtri 2644 |
. . . . . . . 8
                                  |
98 | 76, 79, 97 | 3eqtr3i 2652 |
. . . . . . 7
                                    |
99 | 98 | oveq2i 6661 |
. . . . . 6
                                                                |
100 | 10, 15 | nvscl 27481 |
. . . . . . . . . 10
           |
101 | 6, 28, 8, 100 | mp3an 1424 |
. . . . . . . . 9
      |
102 | 10, 11 | nvgcl 27475 |
. . . . . . . . 9
                   |
103 | 6, 101, 9, 102 | mp3an 1424 |
. . . . . . . 8
          |
104 | 7, 13, 103 | 3pm3.2i 1239 |
. . . . . . 7
                  |
105 | 10, 11, 15 | nvdi 27485 |
. . . . . . 7
                                                                          |
106 | 6, 104, 105 | mp2an 708 |
. . . . . 6
                                                     |
107 | 99, 106 | eqtr4i 2647 |
. . . . 5
                                                          |
108 | 101, 9 | pm3.2i 471 |
. . . . . . . . 9
     
  |
109 | 44 | ablo4 27404 |
. . . . . . . . 9
  
      
                                      |
110 | 41, 42, 108, 109 | mp3an 1424 |
. . . . . . . 8
                                   |
111 | 10, 11, 15, 50 | nvrinv 27506 |
. . . . . . . . . . 11
                  |
112 | 6, 8, 111 | mp2an 708 |
. . . . . . . . . 10
              |
113 | 112 | oveq1i 6660 |
. . . . . . . . 9
                              |
114 | 10, 11 | nvgcl 27475 |
. . . . . . . . . . 11
 
       |
115 | 6, 9, 9, 114 | mp3an 1424 |
. . . . . . . . . 10
     |
116 | 10, 11, 50 | nv0lid 27491 |
. . . . . . . . . 10
                         |
117 | 6, 115, 116 | mp2an 708 |
. . . . . . . . 9
                 |
118 | 113, 117 | eqtri 2644 |
. . . . . . . 8
                      |
119 | 39, 47, 44 | vc2OLD 27423 |
. . . . . . . . 9
                  |
120 | 38, 9, 119 | mp2an 708 |
. . . . . . . 8
         |
121 | 110, 118,
120 | 3eqtri 2648 |
. . . . . . 7
                      |
122 | 121 | oveq2i 6661 |
. . . . . 6
                                  |
123 | 7, 1, 9 | 3pm3.2i 1239 |
. . . . . . 7
     |
124 | 10, 15 | nvsass 27483 |
. . . . . . 7
    
                      |
125 | 6, 123, 124 | mp2an 708 |
. . . . . 6
                   |
126 | 68 | oveq1i 6660 |
. . . . . 6
             |
127 | 122, 125,
126 | 3eqtr2i 2650 |
. . . . 5
                            |
128 | 107, 127,
92 | 3eqtri 2648 |
. . . 4
                                   |
129 | 128 | oveq1i 6660 |
. . 3
                                           |
130 | 74, 129 | oveq12i 6662 |
. 2
                                                                                    |
131 | 27, 35, 130 | 3eqtr2i 2650 |
1
                   |