| Step | Hyp | Ref
| Expression |
| 1 | | ncfinraise 4482 |
. . . . . . . . 9
  Nn
  Nn  1
1    |
| 2 | | anidm 625 |
. . . . . . . . . 10
  1
1
 1
  |
| 3 | 2 | rexbii 2640 |
. . . . . . . . 9
 
Nn  1
1
  Nn 1
  |
| 4 | 1, 3 | sylib 188 |
. . . . . . . 8
  Nn
  Nn 1   |
| 5 | 4 | 3anidm23 1241 |
. . . . . . 7
  Nn   Nn 1   |
| 6 | 5 | ex 423 |
. . . . . 6
 Nn   Nn 1
   |
| 7 | 6 | ancld 536 |
. . . . 5
 Nn    Nn 1
    |
| 8 | 7 | eximdv 1622 |
. . . 4
 Nn       Nn 1
    |
| 9 | 8 | imp 418 |
. . 3
  Nn       Nn 1    |
| 10 | | n0 3560 |
. . . 4


  |
| 11 | 10 | anbi2i 675 |
. . 3
  Nn  
Nn     |
| 12 | | rexcom 2773 |
. . . 4
 
Nn 
1   Nn 1   |
| 13 | | df-rex 2621 |
. . . 4
 
 Nn 1   
 Nn 1
   |
| 14 | 12, 13 | bitri 240 |
. . 3
 
Nn 
1   
 Nn 1
   |
| 15 | 9, 11, 14 | 3imtr4i 257 |
. 2
  Nn   Nn  1   |
| 16 | | pw1eq 4144 |
. . . . . . . 8
 1 1   |
| 17 | 16 | eleq1d 2419 |
. . . . . . 7
  1 1    |
| 18 | 17 | cbvrexv 2837 |
. . . . . 6
 
1  1
  |
| 19 | 18 | anbi2i 675 |
. . . . 5
  
1  1   
1 
1    |
| 20 | | reeanv 2779 |
. . . . 5
 
  1 1   
1 
1    |
| 21 | 19, 20 | bitr4i 243 |
. . . 4
  
1  1     1 1    |
| 22 | | simplll 734 |
. . . . . . . 8
    Nn  
Nn
Nn   
  1 1    Nn  |
| 23 | | simprll 738 |
. . . . . . . 8
    Nn  
Nn
Nn   
  1 1      |
| 24 | | simprlr 739 |
. . . . . . . 8
    Nn  
Nn
Nn   
  1 1      |
| 25 | | ncfinraise 4482 |
. . . . . . . 8
  Nn
  Nn  1
1    |
| 26 | 22, 23, 24, 25 | syl3anc 1182 |
. . . . . . 7
    Nn  
Nn
Nn   
  1 1     Nn  1
1
   |
| 27 | | simp1rl 1020 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    Nn  |
| 28 | | simp3l 983 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    Nn  |
| 29 | | simp2rl 1024 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    1
  |
| 30 | | simp3rl 1028 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    1
  |
| 31 | | nnceleq 4431 |
. . . . . . . . . . . 12
   Nn Nn  1
1     |
| 32 | 27, 28, 29, 30, 31 | syl22anc 1183 |
. . . . . . . . . . 11
    Nn  
Nn
Nn   
  1 1   
Nn  1 1      |
| 33 | | simp1rr 1021 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    Nn  |
| 34 | | simp2rr 1025 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    1
  |
| 35 | | simp3rr 1029 |
. . . . . . . . . . . 12
    Nn  
Nn
Nn   
  1 1   
Nn  1 1    1
  |
| 36 | | nnceleq 4431 |
. . . . . . . . . . . 12
   Nn Nn  1
1     |
| 37 | 33, 28, 34, 35, 36 | syl22anc 1183 |
. . . . . . . . . . 11
    Nn  
Nn
Nn   
  1 1   
Nn  1 1      |
| 38 | 32, 37 | eqtr4d 2388 |
. . . . . . . . . 10
    Nn  
Nn
Nn   
  1 1   
Nn  1 1      |
| 39 | 38 | 3expa 1151 |
. . . . . . . . 9
     Nn   Nn Nn   
  1 1     Nn  1 1      |
| 40 | 39 | exp32 588 |
. . . . . . . 8
    Nn  
Nn
Nn   
  1 1     Nn   1
1      |
| 41 | 40 | rexlimdv 2738 |
. . . . . . 7
    Nn  
Nn
Nn   
  1 1      Nn  1
1     |
| 42 | 26, 41 | mpd 14 |
. . . . . 6
    Nn  
Nn
Nn   
  1 1      |
| 43 | 42 | exp32 588 |
. . . . 5
   Nn   Nn Nn   
   1
1      |
| 44 | 43 | rexlimdvv 2745 |
. . . 4
   Nn   Nn Nn   

 1
1
    |
| 45 | 21, 44 | syl5bi 208 |
. . 3
   Nn   Nn Nn     1  1 
   |
| 46 | 45 | ralrimivva 2707 |
. 2
  Nn   Nn  Nn    1
 1     |
| 47 | | eleq2 2414 |
. . . 4
  1 1    |
| 48 | 47 | rexbidv 2636 |
. . 3
  
1  1
   |
| 49 | 48 | reu4 3031 |
. 2
  Nn  1  
Nn 
1  Nn  Nn    1
 1      |
| 50 | 15, 46, 49 | sylanbrc 645 |
1
  Nn   Nn  1   |