| Step | Hyp | Ref
| Expression |
| 1 | | cantnfs.s |
. . 3
 CNF   |
| 2 | | cantnfs.a |
. . 3
   |
| 3 | | cantnfs.b |
. . 3
   |
| 4 | | cantnfcl.g |
. . 3
OrdIso  supp    |
| 5 | | cantnfcl.f |
. . 3
   |
| 6 | | cantnfval.h |
. . 3
seq𝜔  
                      |
| 7 | 1, 2, 3, 4, 5, 6 | cantnfval 8565 |
. 2
   CNF           |
| 8 | | ssid 3624 |
. . 3
 |
| 9 | 1, 2, 3, 4, 5 | cantnfcl 8564 |
. . . . 5
  supp     |
| 10 | 9 | simprd 479 |
. . . 4
   |
| 11 | | sseq1 3626 |
. . . . . . 7


   |
| 12 | | fveq2 6191 |
. . . . . . . . 9

          |
| 13 | | 0ex 4790 |
. . . . . . . . . 10
 |
| 14 | 6 | seqom0g 7551 |
. . . . . . . . . 10

      |
| 15 | 13, 14 | ax-mp 5 |
. . . . . . . . 9
     |
| 16 | 12, 15 | syl6eq 2672 |
. . . . . . . 8

      |
| 17 | | fveq2 6191 |
. . . . . . . . 9

seq𝜔  
                        seq𝜔                             |
| 18 | | eqid 2622 |
. . . . . . . . . . 11
seq𝜔                        seq𝜔  
                      |
| 19 | 18 | seqom0g 7551 |
. . . . . . . . . 10

seq𝜔                             |
| 20 | 13, 19 | ax-mp 5 |
. . . . . . . . 9
seq𝜔  
                         |
| 21 | 17, 20 | syl6eq 2672 |
. . . . . . . 8

seq𝜔  
                          |
| 22 | 16, 21 | eqeq12d 2637 |
. . . . . . 7

     seq𝜔                              |
| 23 | 11, 22 | imbi12d 334 |
. . . . . 6

 
    seq𝜔  
                              |
| 24 | 23 | imbi2d 330 |
. . . . 5

  
    seq𝜔                            
 
     |
| 25 | | sseq1 3626 |
. . . . . . 7
 
   |
| 26 | | fveq2 6191 |
. . . . . . . 8
           |
| 27 | | fveq2 6191 |
. . . . . . . 8
 seq𝜔                           seq𝜔                             |
| 28 | 26, 27 | eqeq12d 2637 |
. . . . . . 7
      seq𝜔  
                            seq𝜔                              |
| 29 | 25, 28 | imbi12d 334 |
. . . . . 6
       seq𝜔                            
    seq𝜔                               |
| 30 | 29 | imbi2d 330 |
. . . . 5
  

    seq𝜔                            
      seq𝜔                                |
| 31 | | sseq1 3626 |
. . . . . . 7
 
   |
| 32 | | fveq2 6191 |
. . . . . . . 8
       
   |
| 33 | | fveq2 6191 |
. . . . . . . 8
 seq𝜔                           seq𝜔  
                          |
| 34 | 32, 33 | eqeq12d 2637 |
. . . . . . 7
      seq𝜔                               seq𝜔  
                           |
| 35 | 31, 34 | imbi12d 334 |
. . . . . 6
  
    seq𝜔                            
  
 seq𝜔                               |
| 36 | 35 | imbi2d 330 |
. . . . 5
   
    seq𝜔  
                         
 
    seq𝜔                                |
| 37 | | sseq1 3626 |
. . . . . . 7
 
   |
| 38 | | fveq2 6191 |
. . . . . . . 8
       
   |
| 39 | | fveq2 6191 |
. . . . . . . 8
 seq𝜔                           seq𝜔  
                          |
| 40 | 38, 39 | eqeq12d 2637 |
. . . . . . 7
      seq𝜔                               seq𝜔  
                           |
| 41 | 37, 40 | imbi12d 334 |
. . . . . 6
  
    seq𝜔                            
  
 seq𝜔                               |
| 42 | 41 | imbi2d 330 |
. . . . 5
   
    seq𝜔  
                         
 
    seq𝜔                                |
| 43 | | eqid 2622 |
. . . . . 6
 |
| 44 | 43 | 2a1i 12 |
. . . . 5
 
   |
| 45 | | sssucid 5802 |
. . . . . . . . . 10
 |
| 46 | | sstr 3611 |
. . . . . . . . . 10
 

  |
| 47 | 45, 46 | mpan 706 |
. . . . . . . . 9

  |
| 48 | 47 | imim1i 63 |
. . . . . . . 8
 
    seq𝜔  
                        
     seq𝜔  
                           |
| 49 | | oveq2 6658 |
. . . . . . . . . . 11
     seq𝜔                          
   
                                                 seq𝜔                              |
| 50 | 6 | seqomsuc 7552 |
. . . . . . . . . . . . 13
                                    |
| 51 | 50 | ad2antrl 764 |
. . . . . . . . . . . 12
 
                                      |
| 52 | 18 | seqomsuc 7552 |
. . . . . . . . . . . . . 14
 seq𝜔                              
                    seq𝜔  
                           |
| 53 | 52 | ad2antrl 764 |
. . . . . . . . . . . . 13
 
   seq𝜔                                                   seq𝜔                              |
| 54 | | ssv 3625 |
. . . . . . . . . . . . . . . 16
 |
| 55 | | ssv 3625 |
. . . . . . . . . . . . . . . 16
 |
| 56 | | resmpt2 6758 |
. . . . . . . . . . . . . . . 16
 
                                                 |
| 57 | 54, 55, 56 | mp2an 708 |
. . . . . . . . . . . . . . 15
                          
                    |
| 58 | 57 | oveqi 6663 |
. . . . . . . . . . . . . 14
                            seq𝜔                                                    seq𝜔                             |
| 59 | | simprr 796 |
. . . . . . . . . . . . . . . 16
 
  
  |
| 60 | | vex 3203 |
. . . . . . . . . . . . . . . . . 18
 |
| 61 | 60 | sucid 5804 |
. . . . . . . . . . . . . . . . 17
 |
| 62 | 61 | a1i 11 |
. . . . . . . . . . . . . . . 16
 
     |
| 63 | 59, 62 | sseldd 3604 |
. . . . . . . . . . . . . . 15
 
     |
| 64 | 18 | cantnfvalf 8562 |
. . . . . . . . . . . . . . . . 17
seq𝜔                             |
| 65 | 64 | ffvelrni 6358 |
. . . . . . . . . . . . . . . 16
 seq𝜔                             |
| 66 | 65 | ad2antrl 764 |
. . . . . . . . . . . . . . 15
 
   seq𝜔                             |
| 67 | | ovres 6800 |
. . . . . . . . . . . . . . 15
  seq𝜔                                
                       seq𝜔                                                    seq𝜔  
                           |
| 68 | 63, 66, 67 | syl2anc 693 |
. . . . . . . . . . . . . 14
 
       
                       seq𝜔                                                    seq𝜔  
                           |
| 69 | 58, 68 | syl5eqr 2670 |
. . . . . . . . . . . . 13
 
      
                    seq𝜔  
                            
                    seq𝜔  
                           |
| 70 | 53, 69 | eqtrd 2656 |
. . . . . . . . . . . 12
 
   seq𝜔                                                   seq𝜔  
                           |
| 71 | 51, 70 | eqeq12d 2637 |
. . . . . . . . . . 11
 
      
 seq𝜔                          
   
                                                 seq𝜔                               |
| 72 | 49, 71 | syl5ibr 236 |
. . . . . . . . . 10
 
        seq𝜔                          
    seq𝜔                              |
| 73 | 72 | expr 643 |
. . . . . . . . 9
 

      seq𝜔                               seq𝜔                               |
| 74 | 73 | a2d 29 |
. . . . . . . 8
 

 
    seq𝜔  
                        
     seq𝜔                               |
| 75 | 48, 74 | syl5 34 |
. . . . . . 7
 

 
    seq𝜔  
                        
     seq𝜔                               |
| 76 | 75 | expcom 451 |
. . . . . 6
   
    seq𝜔                            
    seq𝜔                                |
| 77 | 76 | a2d 29 |
. . . . 5
  

    seq𝜔                             

    seq𝜔                                |
| 78 | 24, 30, 36, 42, 44, 77 | finds 7092 |
. . . 4
  
  
 seq𝜔                               |
| 79 | 10, 78 | mpcom 38 |
. . 3
 
    seq𝜔                              |
| 80 | 8, 79 | mpi 20 |
. 2
     seq𝜔  
                          |
| 81 | 7, 80 | eqtrd 2656 |
1
   CNF     seq𝜔                             |