| Step | Hyp | Ref
| Expression |
| 1 | | tfr1on.x |
. . . . . . . . . 10
   |
| 2 | 1 | adantr 276 |
. . . . . . . . 9
 
   |
| 3 | | simpr 110 |
. . . . . . . . . 10
 
   |
| 4 | | tfr1onlemres.yx |
. . . . . . . . . . 11
   |
| 5 | 4 | adantr 276 |
. . . . . . . . . 10
 
   |
| 6 | 3, 5 | jca 306 |
. . . . . . . . 9
 
 
   |
| 7 | | ordtr1 4424 |
. . . . . . . . 9

 
    |
| 8 | 2, 6, 7 | sylc 62 |
. . . . . . . 8
 
   |
| 9 | | tfr1on.f |
. . . . . . . . 9
recs   |
| 10 | | tfr1on.g |
. . . . . . . . 9
   |
| 11 | | tfr1on.ex |
. . . . . . . . 9
 

      |
| 12 | | tfr1onlemsucfn.1 |
. . . . . . . . 9
 
               |
| 13 | | tfr1onlemres.u |
. . . . . . . . 9
 
 
  |
| 14 | 9, 10, 1, 11, 12, 13 | tfr1onlemaccex 6415 |
. . . . . . . 8
 
                  |
| 15 | 8, 14 | syldan 282 |
. . . . . . 7
 
                  |
| 16 | 10 | ad2antrr 488 |
. . . . . . . . 9
                 
  |
| 17 | 1 | ad2antrr 488 |
. . . . . . . . 9
                 
  |
| 18 | 11 | 3adant1r 1233 |
. . . . . . . . . 10
   
       |
| 19 | 18 | 3adant1r 1233 |
. . . . . . . . 9
   
                      |
| 20 | 4 | ad2antrr 488 |
. . . . . . . . 9
                    |
| 21 | 3 | adantr 276 |
. . . . . . . . 9
                    |
| 22 | 13 | adantlr 477 |
. . . . . . . . . 10
        |
| 23 | 22 | adantlr 477 |
. . . . . . . . 9
   
                   |
| 24 | | simprl 529 |
. . . . . . . . 9
                    |
| 25 | | fneq2 5348 |
. . . . . . . . . . . . 13
 
   |
| 26 | | raleq 2693 |
. . . . . . . . . . . . 13
  
         

             |
| 27 | 25, 26 | anbi12d 473 |
. . . . . . . . . . . 12
                               |
| 28 | 27 | rspcev 2868 |
. . . . . . . . . . 11
               



             |
| 29 | 8, 28 | sylan 283 |
. . . . . . . . . 10
                                  |
| 30 | | vex 2766 |
. . . . . . . . . . 11
 |
| 31 | 12 | tfr1onlem3ag 6404 |
. . . . . . . . . . 11
 



              |
| 32 | 30, 31 | ax-mp 5 |
. . . . . . . . . 10




             |
| 33 | 29, 32 | sylibr 134 |
. . . . . . . . 9
                    |
| 34 | 9, 16, 17, 19, 12, 20, 21, 23, 24, 33 | tfr1onlemsucaccv 6408 |
. . . . . . . 8
                               |
| 35 | | vex 2766 |
. . . . . . . . . . 11
 |
| 36 | | fneq2 5348 |
. . . . . . . . . . . . . . 15
 
   |
| 37 | 36 | imbi1d 231 |
. . . . . . . . . . . . . 14
                 |
| 38 | 11 | 3expia 1207 |
. . . . . . . . . . . . . . . . . 18
 
         |
| 39 | 38 | alrimiv 1888 |
. . . . . . . . . . . . . . . . 17
 
           |
| 40 | | fneq1 5347 |
. . . . . . . . . . . . . . . . . . 19
 
   |
| 41 | | fveq2 5561 |
. . . . . . . . . . . . . . . . . . . 20
           |
| 42 | 41 | eleq1d 2265 |
. . . . . . . . . . . . . . . . . . 19
     
       |
| 43 | 40, 42 | imbi12d 234 |
. . . . . . . . . . . . . . . . . 18
                 |
| 44 | 43 | spv 1874 |
. . . . . . . . . . . . . . . . 17
   
     
       |
| 45 | 39, 44 | syl 14 |
. . . . . . . . . . . . . . . 16
 
         |
| 46 | 45 | ralrimiva 2570 |
. . . . . . . . . . . . . . 15
          |
| 47 | 46 | adantr 276 |
. . . . . . . . . . . . . 14
 
 

       |
| 48 | 37, 47, 8 | rspcdva 2873 |
. . . . . . . . . . . . 13
 
         |
| 49 | 48 | imp 124 |
. . . . . . . . . . . 12
           |
| 50 | 24, 49 | syldan 282 |
. . . . . . . . . . 11
                        |
| 51 | | opexg 4262 |
. . . . . . . . . . 11
                |
| 52 | 35, 50, 51 | sylancr 414 |
. . . . . . . . . 10
                           |
| 53 | | snidg 3652 |
. . . . . . . . . 10
       
                  |
| 54 | | elun2 3332 |
. . . . . . . . . 10
                
                    |
| 55 | 52, 53, 54 | 3syl 17 |
. . . . . . . . 9
                                      |
| 56 | | opeldmg 4872 |
. . . . . . . . . 10
                                        |
| 57 | 35, 50, 56 | sylancr 414 |
. . . . . . . . 9
                                                   |
| 58 | 55, 57 | mpd 13 |
. . . . . . . 8
                               |
| 59 | | dmeq 4867 |
. . . . . . . . . 10
           
             |
| 60 | 59 | eleq2d 2266 |
. . . . . . . . 9
                           |
| 61 | 60 | rspcev 2868 |
. . . . . . . 8
            
            
  |
| 62 | 34, 58, 61 | syl2anc 411 |
. . . . . . 7
                  
  |
| 63 | 15, 62 | exlimddv 1913 |
. . . . . 6
 
 
  |
| 64 | | eliun 3921 |
. . . . . 6
 

  |
| 65 | 63, 64 | sylibr 134 |
. . . . 5
 
    |
| 66 | 65 | ex 115 |
. . . 4
  
   |
| 67 | 66 | ssrdv 3190 |
. . 3

   |
| 68 | | dmuni 4877 |
. . . 4

  |
| 69 | 12, 1 | tfr1onlemssrecs 6406 |
. . . . 5
  recs    |
| 70 | | dmss 4866 |
. . . . 5
  recs 
 recs    |
| 71 | 69, 70 | syl 14 |
. . . 4
  recs    |
| 72 | 68, 71 | eqsstrrid 3231 |
. . 3
 
recs    |
| 73 | 67, 72 | sstrd 3194 |
. 2

recs    |
| 74 | 9 | dmeqi 4868 |
. 2
recs   |
| 75 | 73, 74 | sseqtrrdi 3233 |
1

  |