| Step | Hyp | Ref
 | Expression | 
| 1 |   | finnc 6244 | 
. . 3
     Spac
      Fin   Nc
  Spac       Nn   | 
| 2 |   | risset 2662 | 
. . . 4
    Nc   Spac    
  Nn        Nn     Nc   Spac      | 
| 3 |   | nchoicelem13 6302 | 
. . . . . . 7
       NC   1c  c Nc
  Spac      | 
| 4 | 3 | ad2antlr 707 | 
. . . . . 6
       c We NC       NC         Nn     1c  c Nc   Spac      | 
| 5 |   | 1cnc 6140 | 
. . . . . . . 8
 
1c  
NC | 
| 6 |   | fvex 5340 | 
. . . . . . . . 9
    Spac         | 
| 7 | 6 | ncelncsi 6122 | 
. . . . . . . 8
  Nc   Spac    
  NC | 
| 8 |   | dflec2 6211 | 
. . . . . . . 8
    1c   NC   Nc   Spac    
  NC      1c  c Nc   Spac    
 
     NC Nc   Spac    
   1c        | 
| 9 | 5, 7, 8 | mp2an 653 | 
. . . . . . 7
   1c  c Nc   Spac    
 
     NC Nc   Spac    
   1c       | 
| 10 |   | eqtr 2370 | 
. . . . . . . . . . . 12
        Nc   Spac    
  Nc   Spac    
   1c              1c       | 
| 11 | 10 | ancoms 439 | 
. . . . . . . . . . 11
     Nc   Spac        1c            Nc   Spac
            1c       | 
| 12 |   | eqtr2 2371 | 
. . . . . . . . . . . . 13
        Nc   Spac    
       1c         Nc   Spac        1c       | 
| 13 | 12 | ex 423 | 
. . . . . . . . . . . 12
       Nc   Spac             1c        Nc   Spac    
   1c        | 
| 14 | 13 | adantl 452 | 
. . . . . . . . . . 11
     Nc   Spac        1c            Nc   Spac
             1c        Nc   Spac    
   1c        | 
| 15 | 11, 14 | jcai 522 | 
. . . . . . . . . 10
     Nc   Spac        1c            Nc   Spac
             1c        Nc   Spac    
   1c        | 
| 16 |   | addceq2 4385 | 
. . . . . . . . . . . . . . . . . 18
       1c            
     1c   | 
| 17 |   | addccom 4407 | 
. . . . . . . . . . . . . . . . . 18
       1c   
 1c
     | 
| 18 | 16, 17 | syl6eq 2401 | 
. . . . . . . . . . . . . . . . 17
       1c            
 1c
      | 
| 19 | 18 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . 16
       1c                       1c        | 
| 20 | 19 | rspcev 2956 | 
. . . . . . . . . . . . . . 15
    1c   NC        1c           
  NC              | 
| 21 | 5, 20 | mpan 651 | 
. . . . . . . . . . . . . 14
        1c            
NC              | 
| 22 |   | nnnc 6147 | 
. . . . . . . . . . . . . . . 16
       Nn       NC   | 
| 23 |   | dflec2 6211 | 
. . . . . . . . . . . . . . . 16
        NC       NC         c  
 
     NC               | 
| 24 | 22, 23 | sylan2 460 | 
. . . . . . . . . . . . . . 15
        NC       Nn         c  
 
     NC               | 
| 25 | 24 | ancoms 439 | 
. . . . . . . . . . . . . 14
        Nn       NC         c  
 
     NC               | 
| 26 | 21, 25 | syl5ibr 212 | 
. . . . . . . . . . . . 13
        Nn       NC           1c           c     | 
| 27 | 26 | adantll 694 | 
. . . . . . . . . . . 12
        c We NC      
NC         Nn        
NC           1c           c     | 
| 28 |   | nclenn 6250 | 
. . . . . . . . . . . . . . 15
        NC       Nn      c          Nn   | 
| 29 | 28 | 3expia 1153 | 
. . . . . . . . . . . . . 14
        NC       Nn         c  
      Nn    | 
| 30 | 29 | ancoms 439 | 
. . . . . . . . . . . . 13
        Nn       NC         c  
      Nn    | 
| 31 | 30 | adantll 694 | 
. . . . . . . . . . . 12
        c We NC      
NC         Nn        
NC         c  
      Nn    | 
| 32 |   | nchoicelem16 6305 | 
. . . . . . . . . . . . . . . . . 18
        
 c We NC        NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c           | 
| 33 |   | addceq2 4385 | 
. . . . . . . . . . . . . . . . . . . . . . 23
       0c    1c         1c   0c   | 
| 34 |   | addcid1 4406 | 
. . . . . . . . . . . . . . . . . . . . . . 23
   1c  
0c 
 
1c | 
| 35 | 33, 34 | syl6eq 2401 | 
. . . . . . . . . . . . . . . . . . . . . 22
       0c    1c        1c  | 
| 36 | 35 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . . . . . . 21
       0c     Nc   Spac      
 1c
       Nc   Spac       1c   | 
| 37 | 36 | imbi1d 308 | 
. . . . . . . . . . . . . . . . . . . 20
       0c      Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac      
1c      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 38 | 37 | ralbidv 2635 | 
. . . . . . . . . . . . . . . . . . 19
       0c         NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         
  NC   Nc   Spac      
1c      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 39 | 38 | imbi2d 307 | 
. . . . . . . . . . . . . . . . . 18
       0c       c We NC        NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c           c We NC        NC   Nc   Spac      
1c      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 40 |   | addceq2 4385 | 
. . . . . . . . . . . . . . . . . . . . . 22
            1c     
   1c       | 
| 41 | 40 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . . . . . . 21
             Nc   Spac        1c        Nc   Spac    
   1c        | 
| 42 | 41 | imbi1d 308 | 
. . . . . . . . . . . . . . . . . . . 20
              Nc   Spac
       1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 43 | 42 | ralbidv 2635 | 
. . . . . . . . . . . . . . . . . . 19
              
  NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         
  NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 44 | 43 | imbi2d 307 | 
. . . . . . . . . . . . . . . . . 18
               c We NC        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c           c We NC        NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 45 |   | addceq2 4385 | 
. . . . . . . . . . . . . . . . . . . . . . 23
            1c     1c         1c       
1c    | 
| 46 | 45 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . . . . . . . 22
            1c      Nc   Spac      
 1c
       Nc   Spac        1c       
1c     | 
| 47 | 46 | imbi1d 308 | 
. . . . . . . . . . . . . . . . . . . . 21
            1c       Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 48 | 47 | ralbidv 2635 | 
. . . . . . . . . . . . . . . . . . . 20
            1c          NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         
  NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 49 |   | fveq2 5329 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
             Spac         Spac
     | 
| 50 | 49 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . . 23
           Nc   Spac    
  Nc   Spac      | 
| 51 | 50 | eqeq1d 2361 | 
. . . . . . . . . . . . . . . . . . . . . 22
             Nc   Spac        1c       
1c     Nc   Spac    
   1c     
 
1c     | 
| 52 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
           Tc    
Tc    | 
| 53 | 52 | fveq2d 5333 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
             Spac   Tc        Spac   Tc     | 
| 54 | 53 | eleq1d 2419 | 
. . . . . . . . . . . . . . . . . . . . . . 23
              Spac   Tc   
  Fin     Spac   Tc   
  Fin    | 
| 55 | 53 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
           Nc   Spac   Tc   
  Nc   Spac   Tc     | 
| 56 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
    Nc   Spac    
  Nc   Spac    
  Tc Nc   Spac       Tc Nc   Spac      | 
| 57 | 50, 56 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
           Tc Nc   Spac       Tc Nc   Spac      | 
| 58 | 57 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
             Tc Nc   Spac      
1c 
    Tc Nc   Spac      
1c   | 
| 59 | 55, 58 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
             Nc   Spac   Tc        Tc Nc   Spac      
1c 
 
Nc   Spac   Tc   
    Tc Nc   Spac      
1c    | 
| 60 | 57 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
             Tc Nc   Spac      
2c 
    Tc Nc   Spac      
2c   | 
| 61 | 55, 60 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
             Nc   Spac   Tc        Tc Nc   Spac      
2c 
 
Nc   Spac   Tc   
    Tc Nc   Spac      
2c    | 
| 62 | 59, 61 | orbi12d 690 | 
. . . . . . . . . . . . . . . . . . . . . . 23
              Nc   Spac
  Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 63 | 54, 62 | anbi12d 691 | 
. . . . . . . . . . . . . . . . . . . . . 22
              
Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 64 | 51, 63 | imbi12d 311 | 
. . . . . . . . . . . . . . . . . . . . 21
              Nc   Spac
       1c       
1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 65 | 64 | cbvralv 2836 | 
. . . . . . . . . . . . . . . . . . . 20
       
NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         
  NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 66 | 48, 65 | syl6bb 252 | 
. . . . . . . . . . . . . . . . . . 19
            1c          NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         
  NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 67 | 66 | imbi2d 307 | 
. . . . . . . . . . . . . . . . . 18
            1c        c We NC        NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c           c We NC        NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 68 |   | addceq2 4385 | 
. . . . . . . . . . . . . . . . . . . . . 22
            1c     
   1c       | 
| 69 | 68 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . . . . . . 21
             Nc   Spac        1c        Nc   Spac    
   1c        | 
| 70 | 69 | imbi1d 308 | 
. . . . . . . . . . . . . . . . . . . 20
              Nc   Spac
       1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 71 | 70 | ralbidv 2635 | 
. . . . . . . . . . . . . . . . . . 19
              
  NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         
  NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 72 | 71 | imbi2d 307 | 
. . . . . . . . . . . . . . . . . 18
               c We NC        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c           c We NC        NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 73 |   | nchoicelem14 6303 | 
. . . . . . . . . . . . . . . . . . . . . 22
        NC   Nc   Spac      
1c 
       ↑c 0c    NC   | 
| 74 | 73 | ex 423 | 
. . . . . . . . . . . . . . . . . . . . 21
       NC     Nc   Spac      
1c        ↑c
0c 
  NC    | 
| 75 | 74 | adantl 452 | 
. . . . . . . . . . . . . . . . . . . 20
      c We NC       NC       Nc   Spac    
  1c
       ↑c 0c    NC    | 
| 76 |   | nchoicelem9 6298 | 
. . . . . . . . . . . . . . . . . . . . . . 23
      c We NC       NC        ↑c
0c 
  NC       Nc   Spac   Tc   
  2c
  Nc   Spac   Tc   
 
3c   | 
| 77 |   | id 19 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
    Nc   Spac   Tc   
  2c
  Nc   Spac   Tc   
 
2c  | 
| 78 |   | 2nnc 6168 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
 
2c  
Nn | 
| 79 | 77, 78 | syl6eqel 2441 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
    Nc   Spac   Tc   
  2c
  Nc   Spac   Tc   
  Nn   | 
| 80 |   | id 19 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
    Nc   Spac   Tc   
  3c
  Nc   Spac   Tc   
 
3c  | 
| 81 |   | 2p1e3c 6157 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
   2c  
1c 
 
3c | 
| 82 |   | peano2 4404 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
   2c   Nn    2c   1c   
Nn   | 
| 83 | 78, 82 | ax-mp 5 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
   2c  
1c 
  Nn | 
| 84 | 81, 83 | eqeltrri 2424 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
 
3c  
Nn | 
| 85 | 80, 84 | syl6eqel 2441 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
    Nc   Spac   Tc   
  3c
  Nc   Spac   Tc   
  Nn   | 
| 86 | 79, 85 | jaoi 368 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
     Nc   Spac   Tc      2c   Nc   Spac
  Tc   
 
3c 
  Nc   Spac   Tc   
  Nn   | 
| 87 |   | finnc 6244 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
     Spac
  Tc   
  Fin   Nc   Spac   Tc      Nn   | 
| 88 | 86, 87 | sylibr 203 | 
. . . . . . . . . . . . . . . . . . . . . . 23
     Nc   Spac   Tc      2c   Nc   Spac
  Tc   
 
3c 
    Spac   Tc      Fin   | 
| 89 | 76, 88 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . 22
      c We NC       NC        ↑c
0c 
  NC       Spac   Tc      Fin   | 
| 90 |   | 1p1e2c 6156 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
   1c  
1c 
 
2c | 
| 91 | 90 | eqeq2i 2363 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
    Nc   Spac   Tc   
   1c   1c    Nc   Spac   Tc      2c  | 
| 92 |   | addccom 4407 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
   1c  
2c 
   2c   1c  | 
| 93 | 92, 81 | eqtri 2373 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
   1c  
2c 
 
3c | 
| 94 | 93 | eqeq2i 2363 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
    Nc   Spac   Tc   
   1c   2c    Nc   Spac   Tc      3c  | 
| 95 | 91, 94 | orbi12i 507 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
     Nc   Spac   Tc       1c   1c    Nc   Spac   Tc   
   1c   2c       Nc   Spac   Tc   
  2c
  Nc   Spac   Tc   
 
3c   | 
| 96 | 76, 95 | sylibr 203 | 
. . . . . . . . . . . . . . . . . . . . . . 23
      c We NC       NC        ↑c
0c 
  NC       Nc   Spac   Tc   
   1c   1c    Nc   Spac
  Tc   
   1c   2c    | 
| 97 |   | nchoicelem3 6292 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
        NC        ↑c
0c 
  NC       Spac            | 
| 98 | 97 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
        NC        ↑c
0c 
  NC     Nc   Spac    
  Nc      | 
| 99 |   | df1c3g 6142 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
       NC   1c   Nc      | 
| 100 | 99 | adantr 451 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
        NC        ↑c
0c 
  NC    
1c  
Nc      | 
| 101 | 98, 100 | eqtr4d 2388 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
        NC        ↑c
0c 
  NC     Nc   Spac    
 
1c  | 
| 102 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
    Nc   Spac    
  1c
  Tc Nc   Spac       Tc 1c  | 
| 103 | 101, 102 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
        NC        ↑c
0c 
  NC     Tc Nc   Spac       Tc 1c  | 
| 104 |   | tc1c 6166 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
  Tc 1c   1c | 
| 105 | 103, 104 | syl6eq 2401 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
        NC        ↑c
0c 
  NC     Tc Nc   Spac       1c  | 
| 106 | 105 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
        NC        ↑c
0c 
  NC       Tc Nc   Spac      
1c 
   1c   1c   | 
| 107 | 106 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
        NC        ↑c
0c 
  NC       Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
 
Nc   Spac   Tc   
   1c   1c    | 
| 108 | 105 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
        NC        ↑c
0c 
  NC       Tc Nc   Spac      
2c 
   1c   2c   | 
| 109 | 108 | eqeq2d 2364 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
        NC        ↑c
0c 
  NC       Nc   Spac   Tc   
    Tc Nc   Spac      
2c 
 
Nc   Spac   Tc   
   1c   2c    | 
| 110 | 107, 109 | orbi12d 690 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
        NC        ↑c
0c 
  NC        Nc   Spac   Tc        Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       Nc   Spac   Tc   
   1c   1c    Nc   Spac
  Tc   
   1c   2c     | 
| 111 | 110 | 3adant1 973 | 
. . . . . . . . . . . . . . . . . . . . . . 23
      c We NC       NC        ↑c
0c 
  NC        Nc   Spac   Tc        Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       Nc   Spac   Tc   
   1c   1c    Nc   Spac
  Tc   
   1c   2c     | 
| 112 | 96, 111 | mpbird 223 | 
. . . . . . . . . . . . . . . . . . . . . 22
      c We NC       NC        ↑c
0c 
  NC       Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c    | 
| 113 | 89, 112 | jca 518 | 
. . . . . . . . . . . . . . . . . . . . 21
      c We NC       NC        ↑c
0c 
  NC        Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 114 | 113 | 3expia 1153 | 
. . . . . . . . . . . . . . . . . . . 20
      c We NC       NC          
↑c 0c    NC      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 115 | 75, 114 | syld 40 | 
. . . . . . . . . . . . . . . . . . 19
      c We NC       NC       Nc   Spac    
  1c
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 116 | 115 | ralrimiva 2698 | 
. . . . . . . . . . . . . . . . . 18
     c We
NC        NC   Nc   Spac      
1c      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 117 |   | addccom 4407 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
   1c        1c          
1c 
 
1c  | 
| 118 | 117 | eqeq2i 2363 | 
. . . . . . . . . . . . . . . . . . . . . . 23
    Nc   Spac    
   1c     
 
1c     Nc   Spac    
     
 
1c 
 
1c   | 
| 119 |   | nchoicelem13 6302 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
       NC   1c  c Nc
  Spac      | 
| 120 | 119 | ad2antrl 708 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c      1c  c Nc   Spac      | 
| 121 |   | simp2 956 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
      c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c            Nn   | 
| 122 |   | simpr 447 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
        NC   Nc   Spac      
      1c   
1c     Nc   Spac    
     
 
1c 
 
1c   | 
| 123 |   | simpr 447 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
        Nn   Nc   Spac      
      1c   
1c     Nc   Spac    
     
 
1c 
 
1c   | 
| 124 |   | 0cnsuc 4402 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
       1c    0c | 
| 125 |   | peano2 4404 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34
       Nn       
1c 
  Nn   | 
| 126 |   | peano1 4403 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 35
 
0c  
Nn | 
| 127 |   | 1cnnc 4409 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 35
 
1c  
Nn | 
| 128 |   | addccan1 4561 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 35
        
1c 
  Nn   0c   Nn   1c   Nn            1c    1c   
 0c
 
1c 
 
     1c   
0c   | 
| 129 | 126, 127,
128 | mp3an23 1269 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34
       
1c 
  Nn         
1c 
 
1c 
   0c   1c      
 
1c 
 
0c   | 
| 130 | 125, 129 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
       Nn          1c    1c     0c  
1c 
 
     1c   
0c   | 
| 131 | 130 | necon3bid 2552 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
       Nn          1c    1c     0c  
1c 
 
     1c    0c   | 
| 132 | 124, 131 | mpbiri 224 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
       Nn         1c    1c     0c   1c   | 
| 133 |   | addcid2 4408 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
   0c  
1c 
 
1c | 
| 134 | 133 | neeq2i 2528 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
        
1c 
 
1c 
   0c   1c         
1c 
 
1c 
 
1c  | 
| 135 | 132, 134 | sylib 188 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
       Nn         1c    1c    1c  | 
| 136 | 135 | adantr 451 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
        Nn   Nc   Spac      
      1c   
1c        
 
1c 
 
1c 
 
1c  | 
| 137 | 123, 136 | eqnetrd 2535 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
        Nn   Nc   Spac      
      1c   
1c     Nc   Spac    
 
1c  | 
| 138 | 121, 122,
137 | syl2an 463 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c      Nc   Spac       1c  | 
| 139 | 138 | necomd 2600 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c      1c   Nc   Spac      | 
| 140 |   | brltc 6115 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
   1c  c Nc   Spac    
 
 1c
 c Nc   Spac    
 
1c   Nc   Spac       | 
| 141 | 120, 139,
140 | sylanbrc 645 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c      1c  c Nc   Spac      | 
| 142 |   | nchoicelem15 6304 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
        NC   1c  c Nc   Spac          
↑c 0c    NC   | 
| 143 | 142 | ex 423 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
       NC    1c  c Nc   Spac          ↑c 0c    NC    | 
| 144 | 143 | ad2antrl 708 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c       1c  c Nc   Spac          ↑c 0c    NC    | 
| 145 |   | df-3an 936 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC           NC   Nc   Spac      
      1c   
1c        ↑c 0c    NC    | 
| 146 |   | ceclnn1 6190 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
    2c   Nn       NC     
↑c 0c    NC      2c ↑c     
NC   | 
| 147 | 78, 146 | mp3an1 1264 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
        NC      ↑c
0c 
  NC      2c
↑c      NC   | 
| 148 | 147 | 3adant2 974 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC      2c ↑c      NC   | 
| 149 | 148 | adantl 452 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC       2c ↑c     
NC   | 
| 150 |   | fveq2 5329 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
        2c ↑c        Spac         Spac
  2c
↑c      | 
| 151 | 150 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
        2c ↑c      Nc   Spac      
Nc   Spac   2c ↑c      | 
| 152 | 151 | eqeq1d 2361 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 36
        2c ↑c        Nc   Spac    
   1c     
 
Nc   Spac   2c ↑c        1c        | 
| 153 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        2c ↑c      Tc     Tc  2c
↑c     | 
| 154 | 153 | fveq2d 5333 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
        2c ↑c        Spac   Tc        Spac   Tc  2c
↑c      | 
| 155 | 154 | eleq1d 2419 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
        2c ↑c         Spac   Tc      Fin     Spac
  Tc  2c ↑c       Fin    | 
| 156 | 154 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        2c ↑c      Nc   Spac   Tc   
  Nc   Spac   Tc  2c ↑c      | 
| 157 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
    Nc   Spac    
  Nc   Spac   2c ↑c       Tc Nc   Spac       Tc Nc   Spac   2c ↑c      | 
| 158 | 151, 157 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
        2c ↑c      Tc Nc   Spac    
  Tc Nc   Spac   2c ↑c      | 
| 159 | 158 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        2c ↑c        Tc Nc   Spac      
1c 
    Tc Nc   Spac   2c ↑c    
 
1c   | 
| 160 | 156, 159 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
        2c ↑c        Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
 
Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c    | 
| 161 | 158 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        2c ↑c        Tc Nc   Spac      
2c 
    Tc Nc   Spac   2c ↑c    
 
2c   | 
| 162 | 156, 161 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
        2c ↑c        Nc   Spac   Tc   
    Tc Nc   Spac      
2c 
 
Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c    | 
| 163 | 160, 162 | orbi12d 690 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
        2c ↑c         Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c     | 
| 164 | 155, 163 | anbi12d 691 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 36
        2c ↑c          Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Spac
  Tc  2c ↑c       Fin     Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c      | 
| 165 | 152, 164 | imbi12d 311 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 35
        2c ↑c         Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac   2c
↑c        1c           Spac   Tc  2c ↑c       Fin     Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c       | 
| 166 | 165 | rspccva 2955 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34
      
  NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        2c ↑c     
NC       Nc   Spac   2c ↑c        1c           Spac   Tc  2c
↑c       Fin     Nc   Spac   Tc  2c
↑c         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c      | 
| 167 |   | tce2 6237 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
        NC      ↑c
0c 
  NC     Tc  2c ↑c       2c ↑c Tc     | 
| 168 | 167 | fveq2d 5333 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
        NC      ↑c
0c 
  NC       Spac   Tc  2c
↑c         Spac   2c ↑c Tc      | 
| 169 | 168 | eleq1d 2419 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        NC      ↑c
0c 
  NC        Spac
  Tc  2c ↑c       Fin     Spac   2c ↑c Tc       Fin    | 
| 170 | 168 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
        NC      ↑c
0c 
  NC     Nc   Spac   Tc  2c ↑c       Nc   Spac   2c ↑c Tc      | 
| 171 | 170 | eqeq1d 2361 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
        NC      ↑c
0c 
  NC       Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c 
 
Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c    | 
| 172 | 170 | eqeq1d 2361 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
        NC      ↑c
0c 
  NC       Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c 
 
Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c    | 
| 173 | 171, 172 | orbi12d 690 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        NC      ↑c
0c 
  NC        Nc   Spac   Tc  2c
↑c         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c       Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c     | 
| 174 | 169, 173 | anbi12d 691 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
        NC      ↑c
0c 
  NC         Spac   Tc  2c ↑c       Fin     Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c         Spac
  2c
↑c Tc       Fin     Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c      | 
| 175 | 174 | imbi2d 307 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
        NC      ↑c
0c 
  NC        Nc   Spac   2c ↑c    
   1c     
     Spac   Tc  2c ↑c       Fin     Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c         Nc   Spac   2c
↑c        1c           Spac   2c
↑c Tc       Fin     Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c       | 
| 176 | 175 | 3adant2 974 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 36
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC       
Nc   Spac   2c ↑c        1c           Spac   Tc  2c
↑c       Fin     Nc   Spac   Tc  2c
↑c         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c         Nc   Spac   2c
↑c        1c           Spac   2c
↑c Tc       Fin     Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c       | 
| 177 | 176 | adantl 452 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 35
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Nc   Spac   2c ↑c        1c           Spac   Tc  2c
↑c       Fin     Nc   Spac   Tc  2c
↑c         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c         Nc   Spac   2c
↑c        1c           Spac   2c
↑c Tc       Fin     Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c       | 
| 178 |   | nchoicelem7 6296 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
        NC      ↑c
0c 
  NC     Nc   Spac    
    Nc   Spac   2c ↑c    
 
1c   | 
| 179 | 178 | 3adant2 974 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC     Nc   Spac         Nc   Spac   2c ↑c    
 
1c   | 
| 180 |   | simp2 956 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC     Nc   Spac            
1c 
 
1c   | 
| 181 | 179, 180 | eqtr3d 2387 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC       Nc   Spac
  2c
↑c       1c          1c    1c   | 
| 182 | 181 | adantl 452 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   2c
↑c       1c          1c    1c   | 
| 183 |   | nnnc 6147 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
       
1c 
  Nn        1c    NC   | 
| 184 |   | fvex 5340 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 42
    Spac   2c ↑c    
    | 
| 185 | 184 | ncelncsi 6122 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
  Nc   Spac   2c ↑c       NC | 
| 186 |   | peano4nc 6151 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
     Nc   Spac   2c ↑c    
  NC        1c    NC        Nc   Spac   2c ↑c      
1c 
     
 
1c 
 
1c 
 
Nc   Spac   2c ↑c            1c    | 
| 187 | 185, 186 | mpan 651 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
       
1c 
  NC      Nc   Spac   2c ↑c      
1c 
     
 
1c 
 
1c 
 
Nc   Spac   2c ↑c            1c    | 
| 188 | 125, 183,
187 | 3syl 18 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
       Nn      Nc   Spac   2c ↑c      
1c 
     
 
1c 
 
1c 
 
Nc   Spac   2c ↑c            1c    | 
| 189 | 188 | ad2antlr 707 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Nc   Spac   2c ↑c      
1c 
     
 
1c 
 
1c 
 
Nc   Spac   2c ↑c            1c    | 
| 190 | 182, 189 | mpbid 201 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC      Nc   Spac   2c ↑c    
       1c   | 
| 191 |   | addccom 4407 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
       1c   
 1c
     | 
| 192 | 190, 191 | syl6eq 2401 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 36
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC      Nc   Spac   2c ↑c    
   1c       | 
| 193 |   | peano2 4404 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
    Nc   Spac   2c ↑c Tc       Nn     Nc   Spac   2c ↑c Tc      
1c 
  Nn   | 
| 194 |   | tccl 6161 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 43
       NC   Tc     NC   | 
| 195 |   | te0c 6238 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 43
       NC     Tc   ↑c
0c 
  NC   | 
| 196 |   | nchoicelem7 6296 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 43
     Tc     NC     Tc   ↑c 0c    NC     Nc   Spac   Tc        Nc   Spac   2c ↑c Tc      
1c   | 
| 197 | 194, 195,
196 | syl2anc 642 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 42
       NC   Nc   Spac   Tc        Nc   Spac   2c ↑c Tc      
1c   | 
| 198 | 197 | 3ad2ant1 976 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC     Nc   Spac   Tc        Nc   Spac   2c ↑c Tc      
1c   | 
| 199 | 198 | adantl 452 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC      Nc   Spac   Tc        Nc   Spac   2c ↑c Tc      
1c   | 
| 200 | 199 | eleq1d 2419 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   Tc   
  Nn     Nc   Spac   2c
↑c Tc      
1c 
  Nn    | 
| 201 | 193, 200 | syl5ibr 212 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   2c
↑c Tc       Nn   Nc   Spac   Tc   
  Nn    | 
| 202 |   | finnc 6244 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
     Spac
  2c
↑c Tc       Fin   Nc   Spac   2c ↑c Tc       Nn   | 
| 203 |   | finnc 6244 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
     Spac
  Tc   
  Fin   Nc   Spac   Tc      Nn   | 
| 204 | 201, 202,
203 | 3imtr4g 261 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Spac   2c ↑c Tc       Fin     Spac   Tc      Fin    | 
| 205 |   | addceq1 4384 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
    Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
    Nc   Spac   2c ↑c Tc      
1c 
     Tc Nc   Spac   2c ↑c      
1c 
 
1c   | 
| 206 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 45
    Nc   Spac    
    Nc   Spac   2c ↑c    
 
1c 
  Tc Nc   Spac       Tc   Nc   Spac
  2c
↑c       1c   | 
| 207 | 178, 206 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 44
        NC      ↑c
0c 
  NC     Tc Nc   Spac       Tc   Nc   Spac
  2c
↑c       1c   | 
| 208 | 207 | 3adant2 974 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 43
        NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC     Tc
Nc   Spac    
  Tc   Nc   Spac
  2c
↑c       1c   | 
| 209 | 208 | adantl 452 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 42
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC      Tc Nc   Spac    
  Tc   Nc   Spac
  2c
↑c       1c   | 
| 210 |   | tcdi 6165 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 44
     Nc   Spac   2c ↑c    
  NC   1c   NC     Tc   Nc   Spac   2c ↑c    
 
1c 
    Tc Nc   Spac   2c ↑c    
  Tc 1c   | 
| 211 | 185, 5, 210 | mp2an 653 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 43
  Tc   Nc   Spac
  2c
↑c       1c     
Tc Nc   Spac   2c ↑c    
  Tc 1c  | 
| 212 | 104 | addceq2i 4388 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 43
    Tc Nc   Spac   2c ↑c    
  Tc 1c     
Tc Nc   Spac   2c ↑c    
 
1c  | 
| 213 | 211, 212 | eqtri 2373 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 42
  Tc   Nc   Spac
  2c
↑c       1c     
Tc Nc   Spac   2c ↑c    
 
1c  | 
| 214 | 209, 213 | syl6eq 2401 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC      Tc Nc   Spac    
    Tc Nc   Spac   2c ↑c    
 
1c   | 
| 215 | 214 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Tc Nc   Spac    
 
1c 
     Tc Nc   Spac   2c ↑c      
1c 
 
1c   | 
| 216 | 199, 215 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
 
  Nc   Spac   2c ↑c Tc      
1c 
     Tc Nc   Spac   2c ↑c      
1c 
 
1c    | 
| 217 | 205, 216 | syl5ibr 212 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   2c
↑c Tc         Tc Nc   Spac   2c ↑c    
 
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
1c    | 
| 218 |   | addceq1 4384 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
    Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c 
    Nc   Spac   2c ↑c Tc      
1c 
     Tc Nc   Spac   2c ↑c      
2c 
 
1c   | 
| 219 | 214 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Tc Nc   Spac    
 
2c 
     Tc Nc   Spac   2c ↑c      
1c 
 
2c   | 
| 220 |   | addc32 4417 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 41
     Tc Nc   Spac   2c ↑c      
1c 
 
2c 
     Tc Nc   Spac   2c ↑c      
2c 
 
1c  | 
| 221 | 219, 220 | syl6eq 2401 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 40
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Tc Nc   Spac    
 
2c 
     Tc Nc   Spac   2c ↑c      
2c 
 
1c   | 
| 222 | 199, 221 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 39
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   Tc   
    Tc Nc   Spac      
2c 
 
  Nc   Spac   2c ↑c Tc      
1c 
     Tc Nc   Spac   2c ↑c      
2c 
 
1c    | 
| 223 | 218, 222 | syl5ibr 212 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 38
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        Nc   Spac   2c
↑c Tc         Tc Nc   Spac   2c ↑c    
 
2c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c    | 
| 224 | 217, 223 | orim12d 811 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . 37
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c       Nc   Spac   Tc        Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 225 | 204, 224 | anim12d 546 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . 36
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC          Spac   2c ↑c Tc       Fin     Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c        
Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 226 | 192, 225 | embantd 50 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. 35
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Nc   Spac   2c ↑c        1c           Spac   2c ↑c Tc       Fin     Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   2c ↑c Tc         Tc Nc   Spac   2c ↑c      
2c          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 227 | 177, 226 | sylbid 206 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Nc   Spac   2c ↑c        1c           Spac   Tc  2c
↑c       Fin     Nc   Spac   Tc  2c
↑c         Tc Nc   Spac   2c ↑c      
1c 
  Nc   Spac   Tc  2c ↑c         Tc Nc   Spac   2c ↑c    
 
2c          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 228 | 166, 227 | syl5 28 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33
       c We NC       Nn          NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC             NC   Nc   Spac        1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        2c ↑c     
NC        Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 229 | 228 | exp4b 590 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32
      c We NC       Nn           NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC           NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         2c ↑c     
NC      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 230 | 229 | com23 72 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
      c We NC       Nn          
NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac    
     
 
1c 
 
1c 
     ↑c 0c    NC       2c ↑c     
NC      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 231 | 230 | 3impia 1148 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
      c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c              NC   Nc   Spac      
      1c   
1c 
     ↑c 0c    NC       2c ↑c     
NC      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 232 | 231 | imp 418 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC        2c ↑c     
NC      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 233 | 149, 232 | mpd 14 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c 
     ↑c 0c    NC         Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 234 | 145, 233 | sylan2br 462 | 
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c              NC   Nc   Spac      
      1c   
1c        ↑c 0c    NC         Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 235 | 234 | expr 598 | 
. . . . . . . . . . . . . . . . . . . . . . . . . 26
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c         
↑c 0c    NC      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 236 | 144, 235 | syld 40 | 
. . . . . . . . . . . . . . . . . . . . . . . . 25
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c       1c  c Nc   Spac          Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 237 | 141, 236 | mpd 14 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac            
1c 
 
1c        
Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 238 | 237 | expr 598 | 
. . . . . . . . . . . . . . . . . . . . . . 23
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c            NC       Nc   Spac
            1c    1c       Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 239 | 118, 238 | syl5bi 208 | 
. . . . . . . . . . . . . . . . . . . . . 22
       c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c            NC       Nc   Spac
       1c       
1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 240 | 239 | ralrimiva 2698 | 
. . . . . . . . . . . . . . . . . . . . 21
      c We NC       Nn        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c             NC   Nc   Spac        1c       
1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 241 | 240 | 3exp 1150 | 
. . . . . . . . . . . . . . . . . . . 20
     c We
NC        Nn         NC   Nc   Spac        1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c            NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 242 | 241 | com12 27 | 
. . . . . . . . . . . . . . . . . . 19
       Nn      c We NC         NC   Nc   Spac        1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c            NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 243 | 242 | a2d 23 | 
. . . . . . . . . . . . . . . . . 18
       Nn       c We NC        NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c           c We
NC        NC   Nc   Spac      
 1c
       1c        Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 244 | 32, 39, 44, 67, 72, 116, 243 | finds 4412 | 
. . . . . . . . . . . . . . . . 17
       Nn      c We NC        NC   Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 245 |   | fveq2 5329 | 
. . . . . . . . . . . . . . . . . . . . 21
             Spac         Spac
     | 
| 246 | 245 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . 20
           Nc   Spac    
  Nc   Spac      | 
| 247 | 246 | eqeq1d 2361 | 
. . . . . . . . . . . . . . . . . . 19
             Nc   Spac        1c        Nc   Spac    
   1c        | 
| 248 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . 22
           Tc    
Tc    | 
| 249 | 248 | fveq2d 5333 | 
. . . . . . . . . . . . . . . . . . . . 21
             Spac   Tc        Spac   Tc     | 
| 250 | 249 | eleq1d 2419 | 
. . . . . . . . . . . . . . . . . . . 20
              Spac   Tc   
  Fin     Spac   Tc   
  Fin    | 
| 251 | 249 | nceqd 6111 | 
. . . . . . . . . . . . . . . . . . . . . 22
           Nc   Spac   Tc   
  Nc   Spac   Tc     | 
| 252 |   | tceq 6159 | 
. . . . . . . . . . . . . . . . . . . . . . . 24
    Nc   Spac    
  Nc   Spac    
  Tc Nc   Spac       Tc Nc   Spac      | 
| 253 | 246, 252 | syl 15 | 
. . . . . . . . . . . . . . . . . . . . . . 23
           Tc Nc   Spac       Tc Nc   Spac      | 
| 254 | 253 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . 22
             Tc Nc   Spac      
1c 
    Tc Nc   Spac      
1c   | 
| 255 | 251, 254 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . 21
             Nc   Spac   Tc        Tc Nc   Spac      
1c 
 
Nc   Spac   Tc   
    Tc Nc   Spac      
1c    | 
| 256 | 253 | addceq1d 4390 | 
. . . . . . . . . . . . . . . . . . . . . 22
             Tc Nc   Spac      
2c 
    Tc Nc   Spac      
2c   | 
| 257 | 251, 256 | eqeq12d 2367 | 
. . . . . . . . . . . . . . . . . . . . 21
             Nc   Spac   Tc        Tc Nc   Spac      
2c 
 
Nc   Spac   Tc   
    Tc Nc   Spac      
2c    | 
| 258 | 255, 257 | orbi12d 690 | 
. . . . . . . . . . . . . . . . . . . 20
              Nc   Spac
  Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     | 
| 259 | 250, 258 | anbi12d 691 | 
. . . . . . . . . . . . . . . . . . 19
              
Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 260 | 247, 259 | imbi12d 311 | 
. . . . . . . . . . . . . . . . . 18
              Nc   Spac
       1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c         Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 261 | 260 | rspccv 2953 | 
. . . . . . . . . . . . . . . . 17
       
NC   Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c            NC     Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 262 | 244, 261 | syl6com 31 | 
. . . . . . . . . . . . . . . 16
     c We
NC        Nn        NC     Nc   Spac        1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 263 | 262 | com23 72 | 
. . . . . . . . . . . . . . 15
     c We
NC        NC        Nn     Nc   Spac        1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c        | 
| 264 | 263 | imp 418 | 
. . . . . . . . . . . . . 14
      c We NC       NC          Nn     Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 265 | 264 | adantr 451 | 
. . . . . . . . . . . . 13
       c We NC       NC         Nn       
  Nn     Nc   Spac    
   1c     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 266 | 265 | adantr 451 | 
. . . . . . . . . . . 12
        c We NC      
NC         Nn        
NC          Nn     Nc   Spac      
 1c
          Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 267 | 27, 31, 266 | 3syld 51 | 
. . . . . . . . . . 11
        c We NC      
NC         Nn        
NC           1c          Nc   Spac        1c           Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 268 | 267 | imp3a 420 | 
. . . . . . . . . 10
        c We NC      
NC         Nn        
NC            1c        Nc   Spac      
 1c
     
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 269 | 15, 268 | syl5 28 | 
. . . . . . . . 9
        c We NC      
NC         Nn        
NC        Nc   Spac        1c            Nc   Spac
          Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 270 | 269 | exp3a 425 | 
. . . . . . . 8
        c We NC      
NC         Nn        
NC       Nc   Spac    
   1c     
      
Nc   Spac    
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 271 | 270 | rexlimdva 2739 | 
. . . . . . 7
       c We NC       NC         Nn           NC Nc   Spac        1c            
Nc   Spac    
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 272 | 9, 271 | syl5bi 208 | 
. . . . . 6
       c We NC       NC         Nn      1c  c Nc   Spac           
Nc   Spac    
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c       | 
| 273 | 4, 272 | mpd 14 | 
. . . . 5
       c We NC       NC         Nn       
  Nc   Spac    
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 274 | 273 | rexlimdva 2739 | 
. . . 4
      c We NC       NC          
Nn     Nc   Spac    
     Spac   Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 275 | 2, 274 | syl5bi 208 | 
. . 3
      c We NC       NC       Nc   Spac    
  Nn      Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 276 | 1, 275 | syl5bi 208 | 
. 2
      c We NC       NC        Spac
      Fin     
Spac   Tc      Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c      | 
| 277 | 276 | 3impia 1148 | 
1
      c We NC       NC     Spac       Fin        Spac
  Tc   
  Fin     Nc   Spac   Tc   
    Tc Nc   Spac      
1c 
  Nc   Spac   Tc   
    Tc Nc   Spac      
2c     |