| Step | Hyp | Ref
| Expression |
| 1 | | simpr 477 |
. . 3
    
[ ]     
FinIII FinIII |
| 2 | | simpll1 1100 |
. . . . . . 7
    
[ ]     
FinIII    |
| 3 | 2 | adantr 481 |
. . . . . 6
      [ ]     
FinIII     |
| 4 | | ssrab2 3687 |
. . . . . . . 8
   |
| 5 | 4 | unissi 4461 |
. . . . . . 7
     |
| 6 | | sspwuni 4611 |
. . . . . . . 8
 
   |
| 7 | 6 | biimpi 206 |
. . . . . . 7
     |
| 8 | 5, 7 | syl5ss 3614 |
. . . . . 6
       |
| 9 | 3, 8 | syl 17 |
. . . . 5
      [ ]     
FinIII       |
| 10 | | elpw2g 4827 |
. . . . . 6
 FinIII     
  
   |
| 11 | 10 | ad2antlr 763 |
. . . . 5
      [ ]     
FinIII    
 
      |
| 12 | 9, 11 | mpbird 247 |
. . . 4
      [ ]     
FinIII        |
| 13 | | eqid 2622 |
. . . 4
           |
| 14 | 12, 13 | fmptd 6385 |
. . 3
    
[ ]     
FinIII   
         |
| 15 | | vex 3203 |
. . . . . . . . . . 11
 |
| 16 | 15 | sucex 7011 |
. . . . . . . . . 10
 |
| 17 | | sssucid 5802 |
. . . . . . . . . 10
 |
| 18 | | ssdomg 8001 |
. . . . . . . . . 10
 
   |
| 19 | 16, 17, 18 | mp2 9 |
. . . . . . . . 9
 |
| 20 | | domtr 8009 |
. . . . . . . . 9
     |
| 21 | 19, 20 | mpan2 707 |
. . . . . . . 8

  |
| 22 | 21 | a1i 11 |
. . . . . . 7
     |
| 23 | 22 | ss2rabi 3684 |
. . . . . 6
     |
| 24 | | uniss 4458 |
. . . . . 6
   
   
     |
| 25 | 23, 24 | mp1i 13 |
. . . . 5
      [ ]     
FinIII      
   |
| 26 | | id 22 |
. . . . . 6
   |
| 27 | | pwexg 4850 |
. . . . . . . . 9
 FinIII    |
| 28 | 27 | adantl 482 |
. . . . . . . 8
    
[ ]     
FinIII 
  |
| 29 | 28, 2 | ssexd 4805 |
. . . . . . 7
    
[ ]     
FinIII   |
| 30 | | rabexg 4812 |
. . . . . . 7
     |
| 31 | | uniexg 6955 |
. . . . . . 7
        |
| 32 | 29, 30, 31 | 3syl 18 |
. . . . . 6
    
[ ]     
FinIII      |
| 33 | | breq2 4657 |
. . . . . . . . 9
 
   |
| 34 | 33 | rabbidv 3189 |
. . . . . . . 8
       |
| 35 | 34 | unieqd 4446 |
. . . . . . 7
     
   |
| 36 | 35, 13 | fvmptg 6280 |
. . . . . 6
   
     
          |
| 37 | 26, 32, 36 | syl2anr 495 |
. . . . 5
      [ ]     
FinIII     
          |
| 38 | | peano2 7086 |
. . . . . 6

  |
| 39 | | rabexg 4812 |
. . . . . . 7
     |
| 40 | | uniexg 6955 |
. . . . . . 7
 

     |
| 41 | 29, 39, 40 | 3syl 18 |
. . . . . 6
    
[ ]     
FinIII  
   |
| 42 | | breq2 4657 |
. . . . . . . . 9
 
   |
| 43 | 42 | rabbidv 3189 |
. . . . . . . 8
 
 
   |
| 44 | 43 | unieqd 4446 |
. . . . . . 7
  
      |
| 45 | 44, 13 | fvmptg 6280 |
. . . . . 6
             
      |
| 46 | 38, 41, 45 | syl2anr 495 |
. . . . 5
      [ ]     
FinIII     
          |
| 47 | 25, 37, 46 | 3sstr4d 3648 |
. . . 4
      [ ]     
FinIII     
                |
| 48 | 47 | ralrimiva 2966 |
. . 3
    
[ ]     
FinIII                      |
| 49 | | fin34i 9203 |
. . 3
 
FinIII
         
                            
    |
| 50 | 1, 14, 48, 49 | syl3anc 1326 |
. 2
    
[ ]     
FinIII    
    
    |
| 51 | | fin1a2lem11 9232 |
. . . . . 6
 [ ]    
        |
| 52 | 51 | adantrr 753 |
. . . . 5
 [ ]      
        |
| 53 | 52 | 3ad2antl2 1224 |
. . . 4
    [ ]
       
        |
| 54 | 53 | adantr 481 |
. . 3
    
[ ]     
FinIII   
        |
| 55 | | simpll3 1102 |
. . . . . 6
    
[ ]     
FinIII    |
| 56 | | simplrr 801 |
. . . . . . 7
    
[ ]     
FinIII   |
| 57 | | sspwuni 4611 |
. . . . . . . . . . 11
 
   |
| 58 | | ss0b 3973 |
. . . . . . . . . . 11
     |
| 59 | 57, 58 | bitri 264 |
. . . . . . . . . 10
 
   |
| 60 | | pw0 4343 |
. . . . . . . . . . . . 13
    |
| 61 | 60 | sseq2i 3630 |
. . . . . . . . . . . 12
 
    |
| 62 | | sssn 4358 |
. . . . . . . . . . . 12
  
      |
| 63 | 61, 62 | bitri 264 |
. . . . . . . . . . 11
 
      |
| 64 | | df-ne 2795 |
. . . . . . . . . . . 12

  |
| 65 | | 0ex 4790 |
. . . . . . . . . . . . . . . . 17
 |
| 66 | 65 | unisn 4451 |
. . . . . . . . . . . . . . . 16
    |
| 67 | 65 | snid 4208 |
. . . . . . . . . . . . . . . 16
   |
| 68 | 66, 67 | eqeltri 2697 |
. . . . . . . . . . . . . . 15
      |
| 69 | | unieq 4444 |
. . . . . . . . . . . . . . . 16
         |
| 70 | | id 22 |
. . . . . . . . . . . . . . . 16
       |
| 71 | 69, 70 | eleq12d 2695 |
. . . . . . . . . . . . . . 15
             |
| 72 | 68, 71 | mpbiri 248 |
. . . . . . . . . . . . . 14
      |
| 73 | 72 | orim2i 540 |
. . . . . . . . . . . . 13
          |
| 74 | 73 | ord 392 |
. . . . . . . . . . . 12
          |
| 75 | 64, 74 | syl5bi 232 |
. . . . . . . . . . 11
          |
| 76 | 63, 75 | sylbi 207 |
. . . . . . . . . 10
 

    |
| 77 | 59, 76 | sylbir 225 |
. . . . . . . . 9
 

    |
| 78 | 77 | com12 32 |
. . . . . . . 8

 
    |
| 79 | 78 | con3d 148 |
. . . . . . 7

      |
| 80 | 56, 55, 79 | sylc 65 |
. . . . . 6
    
[ ]     
FinIII    |
| 81 | | ioran 511 |
. . . . . 6
    
      |
| 82 | 55, 80, 81 | sylanbrc 698 |
. . . . 5
    
[ ]     
FinIII       |
| 83 | | uniun 4456 |
. . . . . . . 8
 
          |
| 84 | 66 | uneq2i 3764 |
. . . . . . . 8
 
     
  |
| 85 | | un0 3967 |
. . . . . . . 8
 
   |
| 86 | 83, 84, 85 | 3eqtri 2648 |
. . . . . . 7
 
     |
| 87 | 86 | eleq1i 2692 |
. . . . . 6
  
       

     |
| 88 | | elun 3753 |
. . . . . 6
 
   
 
      |
| 89 | 65 | elsn2 4211 |
. . . . . . 7
 
 
   |
| 90 | 89 | orbi2i 541 |
. . . . . 6
      
 
    |
| 91 | 87, 88, 90 | 3bitri 286 |
. . . . 5
  
             |
| 92 | 82, 91 | sylnibr 319 |
. . . 4
    
[ ]     
FinIII            |
| 93 | | unieq 4444 |
. . . . . 6
   
                   |
| 94 | | id 22 |
. . . . . 6
   
     
           |
| 95 | 93, 94 | eleq12d 2695 |
. . . . 5
   
          
    
              |
| 96 | 95 | notbid 308 |
. . . 4
   
          
    
 
 
          |
| 97 | 92, 96 | syl5ibrcom 237 |
. . 3
    
[ ]     
FinIII    
     
   
    
     |
| 98 | 54, 97 | mpd 15 |
. 2
    
[ ]     
FinIII         
    |
| 99 | 50, 98 | pm2.65da 600 |
1
    [ ]
    
FinIII |