Proof of Theorem ballotth
| Step | Hyp | Ref
| Expression |
| 1 | | ballotth.e |
. . . . . 6
                   |
| 2 | | ssrab2 3687 |
. . . . . 6
 
                 |
| 3 | 1, 2 | eqsstri 3635 |
. . . . 5
 |
| 4 | | fzfi 12771 |
. . . . . . . . . . 11
       |
| 5 | | pwfi 8261 |
. . . . . . . . . . 11
      
         |
| 6 | 4, 5 | mpbi 220 |
. . . . . . . . . 10
        |
| 7 | | ballotth.o |
. . . . . . . . . . 11
     
        |
| 8 | | ssrab2 3687 |
. . . . . . . . . . 11
                     |
| 9 | 7, 8 | eqsstri 3635 |
. . . . . . . . . 10
    
   |
| 10 | | ssfi 8180 |
. . . . . . . . . 10
        
          |
| 11 | 6, 9, 10 | mp2an 708 |
. . . . . . . . 9
 |
| 12 | | ssfi 8180 |
. . . . . . . . 9
  
  |
| 13 | 11, 3, 12 | mp2an 708 |
. . . . . . . 8
 |
| 14 | 13 | elexi 3213 |
. . . . . . 7
 |
| 15 | 14 | elpw 4164 |
. . . . . 6
 
  |
| 16 | | fveq2 6191 |
. . . . . . . 8
           |
| 17 | 16 | oveq1d 6665 |
. . . . . . 7
                       |
| 18 | | ballotth.p |
. . . . . . 7
              |
| 19 | | ovex 6678 |
. . . . . . 7
           |
| 20 | 17, 18, 19 | fvmpt 6282 |
. . . . . 6
                  |
| 21 | 15, 20 | sylbir 225 |
. . . . 5
                 |
| 22 | 3, 21 | ax-mp 5 |
. . . 4
               |
| 23 | | hashssdif 13200 |
. . . . . . . 8
                     |
| 24 | 11, 3, 23 | mp2an 708 |
. . . . . . 7
                 |
| 25 | 24 | eqcomi 2631 |
. . . . . 6
                 |
| 26 | | hashcl 13147 |
. . . . . . . . 9
       |
| 27 | 11, 26 | ax-mp 5 |
. . . . . . . 8
     |
| 28 | 27 | nn0cni 11304 |
. . . . . . 7
     |
| 29 | | hashcl 13147 |
. . . . . . . . 9
       |
| 30 | 13, 29 | ax-mp 5 |
. . . . . . . 8
     |
| 31 | 30 | nn0cni 11304 |
. . . . . . 7
     |
| 32 | | difss 3737 |
. . . . . . . . . 10
   |
| 33 | | ssfi 8180 |
. . . . . . . . . 10
  
      |
| 34 | 11, 32, 33 | mp2an 708 |
. . . . . . . . 9
   |
| 35 | | hashcl 13147 |
. . . . . . . . 9
           |
| 36 | 34, 35 | ax-mp 5 |
. . . . . . . 8
       |
| 37 | 36 | nn0cni 11304 |
. . . . . . 7
       |
| 38 | 28, 31, 37 | subsub23i 10371 |
. . . . . 6
                                   |
| 39 | 25, 38 | mpbi 220 |
. . . . 5
                 |
| 40 | 39 | oveq1i 6660 |
. . . 4
                             |
| 41 | 22, 40 | eqtr4i 2647 |
. . 3
                       |
| 42 | | ballotth.m |
. . . . . . 7
 |
| 43 | | ballotth.n |
. . . . . . 7
 |
| 44 | 42, 43, 7 | ballotlem1 30548 |
. . . . . 6
         |
| 45 | 42 | nnnn0i 11300 |
. . . . . . . . 9
 |
| 46 | | nnaddcl 11042 |
. . . . . . . . . . 11
 
     |
| 47 | 42, 43, 46 | mp2an 708 |
. . . . . . . . . 10
   |
| 48 | 47 | nnnn0i 11300 |
. . . . . . . . 9
   |
| 49 | 42 | nnrei 11029 |
. . . . . . . . . 10
 |
| 50 | 43 | nnnn0i 11300 |
. . . . . . . . . 10
 |
| 51 | 49, 50 | nn0addge1i 11341 |
. . . . . . . . 9
   |
| 52 | | elfz2nn0 12431 |
. . . . . . . . 9
      
  
     |
| 53 | 45, 48, 51, 52 | mpbir3an 1244 |
. . . . . . . 8
   
   |
| 54 | | bccl2 13110 |
. . . . . . . 8
             |
| 55 | 53, 54 | ax-mp 5 |
. . . . . . 7
     |
| 56 | 55 | nnne0i 11055 |
. . . . . 6
     |
| 57 | 44, 56 | eqnetri 2864 |
. . . . 5
     |
| 58 | 28, 57 | pm3.2i 471 |
. . . 4
           |
| 59 | | divsubdir 10721 |
. . . 4
                                                                   |
| 60 | 28, 37, 58, 59 | mp3an 1424 |
. . 3
                                           |
| 61 | 28, 57 | dividi 10758 |
. . . 4
           |
| 62 | 61 | oveq1i 6660 |
. . 3
                                       |
| 63 | 41, 60, 62 | 3eqtri 2648 |
. 2
                   |
| 64 | | ballotth.f |
. . . . . . 7
          
                |
| 65 | | ballotth.mgtn |
. . . . . . 7
 |
| 66 | | ballotth.i |
. . . . . . 7
   inf     
               |
| 67 | | ballotth.s |
. . . . . . 7
                              |
| 68 | | ballotth.r |
. . . . . . 7
             |
| 69 | 42, 43, 7, 18, 64, 1, 65, 66, 67, 68 | ballotlem8 30598 |
. . . . . 6
                 |
| 70 | 69 | oveq1i 6660 |
. . . . 5
                                     |
| 71 | 70 | oveq1i 6660 |
. . . 4
                                                 |
| 72 | | rabxm 3961 |
. . . . . . 7
             |
| 73 | 72 | fveq2i 6194 |
. . . . . 6
                     |
| 74 | | ssrab2 3687 |
. . . . . . . . . 10
    
  |
| 75 | 74, 32 | sstri 3612 |
. . . . . . . . 9
     |
| 76 | 75, 9 | sstri 3612 |
. . . . . . . 8
        
   |
| 77 | | ssfi 8180 |
. . . . . . . 8
            
              |
| 78 | 6, 76, 77 | mp2an 708 |
. . . . . . 7
     |
| 79 | | ssrab2 3687 |
. . . . . . . . . 10
  
    |
| 80 | 79, 32 | sstri 3612 |
. . . . . . . . 9
  
  |
| 81 | 80, 9 | sstri 3612 |
. . . . . . . 8
  
         |
| 82 | | ssfi 8180 |
. . . . . . . 8
                 
     
   |
| 83 | 6, 81, 82 | mp2an 708 |
. . . . . . 7
  
  |
| 84 | | rabnc 3962 |
. . . . . . 7
           |
| 85 | | hashun 13171 |
. . . . . . 7
                 
                                     |
| 86 | 78, 83, 84, 85 | mp3an 1424 |
. . . . . 6
                                 |
| 87 | 73, 86 | eqtri 2644 |
. . . . 5
                         |
| 88 | 87 | oveq1i 6660 |
. . . 4
                                     |
| 89 | | ssrab2 3687 |
. . . . . . . . 9

  |
| 90 | 11 | elexi 3213 |
. . . . . . . . . 10
 |
| 91 | 90 | elpw2 4828 |
. . . . . . . . 9
 

 
   |
| 92 | 89, 91 | mpbir 221 |
. . . . . . . 8

   |
| 93 | | fveq2 6191 |
. . . . . . . . . 10
          
    |
| 94 | 93 | oveq1d 6665 |
. . . . . . . . 9
                 
         |
| 95 | | ovex 6678 |
. . . . . . . . 9
    
        |
| 96 | 94, 18, 95 | fvmpt 6282 |
. . . . . . . 8
 

    
      
         |
| 97 | 92, 96 | ax-mp 5 |
. . . . . . 7
          
        |
| 98 | 42, 43, 7, 18 | ballotlem2 30550 |
. . . . . . 7
       
   |
| 99 | | nfrab1 3122 |
. . . . . . . . . . . 12
     |
| 100 | | nfrab1 3122 |
. . . . . . . . . . . 12
       |
| 101 | 99, 100 | dfss2f 3594 |
. . . . . . . . . . 11
 
    
   
        |
| 102 | 42, 43, 7, 18, 64, 1 | ballotlem4 30560 |
. . . . . . . . . . . . . 14
 
   |
| 103 | 102 | imdistani 726 |
. . . . . . . . . . . . 13
 


   |
| 104 | | rabid 3116 |
. . . . . . . . . . . . 13
  

   |
| 105 | | eldif 3584 |
. . . . . . . . . . . . 13
  

   |
| 106 | 103, 104,
105 | 3imtr4i 281 |
. . . . . . . . . . . 12
       |
| 107 | 104 | simprbi 480 |
. . . . . . . . . . . 12
  
  |
| 108 | | rabid 3116 |
. . . . . . . . . . . 12
    
  
   |
| 109 | 106, 107,
108 | sylanbrc 698 |
. . . . . . . . . . 11
         |
| 110 | 101, 109 | mpgbir 1726 |
. . . . . . . . . 10

      |
| 111 | | rabss2 3685 |
. . . . . . . . . . 11
     
     |
| 112 | 32, 111 | ax-mp 5 |
. . . . . . . . . 10
  
    |
| 113 | 110, 112 | eqssi 3619 |
. . . . . . . . 9

      |
| 114 | 113 | fveq2i 6194 |
. . . . . . . 8
               |
| 115 | 114 | oveq1i 6660 |
. . . . . . 7
    
                      |
| 116 | 97, 98, 115 | 3eqtr3i 2652 |
. . . . . 6
                   |
| 117 | 116 | oveq2i 6661 |
. . . . 5
             
         |
| 118 | | 2cn 11091 |
. . . . . 6
 |
| 119 | | hashcl 13147 |
. . . . . . . 8
               |
| 120 | 83, 119 | ax-mp 5 |
. . . . . . 7
         |
| 121 | 120 | nn0cni 11304 |
. . . . . 6
         |
| 122 | 118, 121,
28, 57 | divassi 10781 |
. . . . 5
                                 |
| 123 | 121 | 2timesi 11147 |
. . . . . 6
                             |
| 124 | 123 | oveq1i 6660 |
. . . . 5
                                         |
| 125 | 117, 122,
124 | 3eqtr2i 2650 |
. . . 4
                               |
| 126 | 71, 88, 125 | 3eqtr4ri 2655 |
. . 3
                   |
| 127 | 126 | oveq2i 6661 |
. 2
   
                   |
| 128 | 47 | nncni 11030 |
. . . 4
   |
| 129 | 43 | nncni 11030 |
. . . . 5
 |
| 130 | 118, 129 | mulcli 10045 |
. . . 4
   |
| 131 | 47 | nnne0i 11055 |
. . . . 5
   |
| 132 | 128, 131 | pm3.2i 471 |
. . . 4
   
   |
| 133 | | divsubdir 10721 |
. . . 4
            
                          |
| 134 | 128, 130,
132, 133 | mp3an 1424 |
. . 3
                         |
| 135 | 129 | 2timesi 11147 |
. . . . . 6
     |
| 136 | 135 | oveq2i 6661 |
. . . . 5
         
   |
| 137 | 42 | nncni 11030 |
. . . . . . 7
 |
| 138 | 137, 129,
129, 129 | addsub4i 10377 |
. . . . . 6
             |
| 139 | 129 | subidi 10352 |
. . . . . . 7
   |
| 140 | 139 | oveq2i 6661 |
. . . . . 6
           |
| 141 | 137, 129 | subcli 10357 |
. . . . . . 7
   |
| 142 | 141 | addid1i 10223 |
. . . . . 6
       |
| 143 | 138, 140,
142 | 3eqtri 2648 |
. . . . 5
         |
| 144 | 136, 143 | eqtri 2644 |
. . . 4
         |
| 145 | 144 | oveq1i 6660 |
. . 3
             
   |
| 146 | 128, 131 | dividi 10758 |
. . . 4
       |
| 147 | 118, 129,
128, 131 | divassi 10781 |
. . . 4
             |
| 148 | 146, 147 | oveq12i 6662 |
. . 3
                       |
| 149 | 134, 145,
148 | 3eqtr3ri 2653 |
. 2
   
       
   |
| 150 | 63, 127, 149 | 3eqtr2i 2650 |
1
       
   |