Proof of Theorem limvinlv
| Step | Hyp | Ref
| Expression |
| 1 | | simpl2 880 |
. . . 4
   Haus
Fil        fLimf    
 Fil |
| 2 | | simpl1 879 |
. . . 4
   Haus
Fil        fLimf    
 Haus |
| 3 | | simpl3 881 |
. . . 4
   Haus
Fil        fLimf    
       |
| 4 | 1, 2, 3 | 3jca 1050 |
. . 3
   Haus
Fil        fLimf    
  Fil
Haus        |
| 5 | | limvinlv.2 |
. . . 4
  |
| 6 | | limvinlv.1 |
. . . 4
  |
| 7 | 5, 6 | holimf2 10327 |
. . 3
   Fil
Haus        fLimf    
    fLimf       |
| 8 | 4, 7 | sylancom 531 |
. 2
   Haus
Fil        fLimf    
    fLimf       |
| 9 | | pm4.24 479 |
. . . . 5
   fLimf        fLimf    
  fLimf        |
| 10 | 9 | eubii 1780 |
. . . 4
    fLimf          fLimf       fLimf        |
| 11 | | df-reu 2111 |
. . . 4
    fLimf        fLimf          fLimf    
  fLimf        |
| 12 | 10, 11 | bitr4i 193 |
. . 3
    fLimf        fLimf        fLimf       |
| 13 | | eqtr 1904 |
. . . . 5
     fLimf       fLimf         fLimf       fLimf         fLimf       fLimf           fLimf       fLimf           fLimf       fLimf           fLimf       fLimf         |
| 14 | | inidm 2803 |
. . . . . 6
   fLimf       fLimf        fLimf      |
| 15 | | eqtr 1904 |
. . . . . . . . 9
    fLimf        fLimf       fLimf         fLimf       fLimf           fLimf       fLimf          fLimf          fLimf    
  fLimf         |
| 16 | | dfin5 2604 |
. . . . . . . . . 10
   fLimf       fLimf         fLimf       fLimf       |
| 17 | | eqtr 1904 |
. . . . . . . . . . . . 13
    fLimf        fLimf       fLimf         fLimf       fLimf         fLimf       fLimf         fLimf        fLimf    
  fLimf        |
| 18 | | unieq 3185 |
. . . . . . . . . . . . . 14
   fLimf        fLimf       fLimf         fLimf         fLimf       fLimf        |
| 19 | | sneq 3054 |
. . . . . . . . . . . . . . 15
    fLimf         fLimf       fLimf     
    fLimf           fLimf       fLimf         |
| 20 | | eqtr 1904 |
. . . . . . . . . . . . . . . . . 18
    fLimf          fLimf       fLimf            fLimf    
  fLimf           fLimf         fLimf         fLimf        |
| 21 | | fvex 4689 |
. . . . . . . . . . . . . . . . . . . . . 22
  fLimf      |
| 22 | 21 | uniex 3794 |
. . . . . . . . . . . . . . . . . . . . 21
   fLimf      |
| 23 | 22 | snid 3069 |
. . . . . . . . . . . . . . . . . . . 20
   fLimf         fLimf       |
| 24 | | eleq2 1958 |
. . . . . . . . . . . . . . . . . . . . . 22
     fLimf     
  fLimf         fLimf         fLimf     
   fLimf       fLimf        |
| 25 | | limvinlv.3 |
. . . . . . . . . . . . . . . . . . . . . . 23
   fLimf      |
| 26 | | eleq1 1957 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
    fLimf         fLimf       fLimf       fLimf        |
| 27 | 26 | biimpd 170 |
. . . . . . . . . . . . . . . . . . . . . . . 24
    fLimf         fLimf       fLimf       fLimf        |
| 28 | 27 | eqcoms 1887 |
. . . . . . . . . . . . . . . . . . . . . . 23
    fLimf         fLimf       fLimf       fLimf        |
| 29 | 25, 28 | ax-mp 7 |
. . . . . . . . . . . . . . . . . . . . . 22
    fLimf    
  fLimf       fLimf       |
| 30 | 24, 29 | syl6bi 231 |
. . . . . . . . . . . . . . . . . . . . 21
     fLimf     
  fLimf         fLimf         fLimf     
  fLimf        |
| 31 | 30 | eqcoms 1887 |
. . . . . . . . . . . . . . . . . . . 20
   fLimf         fLimf          fLimf    
    fLimf        fLimf        |
| 32 | 23, 31 | mpi 55 |
. . . . . . . . . . . . . . . . . . 19
   fLimf         fLimf     
  fLimf       |
| 33 | 32 | a1d 15 |
. . . . . . . . . . . . . . . . . 18
   fLimf         fLimf         Haus
Fil        fLimf    
   fLimf        |
| 34 | 20, 33 | syl 12 |
. . . . . . . . . . . . . . . . 17
    fLimf          fLimf       fLimf            fLimf    
  fLimf           fLimf          Haus Fil
       fLimf    
   fLimf        |
| 35 | 34 | expcom 403 |
. . . . . . . . . . . . . . . 16
      fLimf       fLimf           fLimf         fLimf          fLimf       fLimf          Haus
Fil        fLimf    
   fLimf         |
| 36 | 35 | eqcoms 1887 |
. . . . . . . . . . . . . . 15
     fLimf     
     fLimf       fLimf          fLimf          fLimf       fLimf          Haus
Fil        fLimf    
   fLimf         |
| 37 | 19, 36 | syl 12 |
. . . . . . . . . . . . . 14
    fLimf         fLimf       fLimf     
   fLimf          fLimf    
  fLimf          Haus Fil
       fLimf    
   fLimf         |
| 38 | 18, 37 | syl 12 |
. . . . . . . . . . . . 13
   fLimf        fLimf       fLimf         fLimf          fLimf       fLimf          Haus
Fil        fLimf    
   fLimf         |
| 39 | 17, 38 | syl 12 |
. . . . . . . . . . . 12
    fLimf        fLimf       fLimf         fLimf       fLimf         fLimf       fLimf          fLimf          fLimf       fLimf          Haus
Fil        fLimf    
   fLimf         |
| 40 | 39 | ex 402 |
. . . . . . . . . . 11
   fLimf        fLimf    
  fLimf          fLimf       fLimf         fLimf       fLimf         fLimf          fLimf       fLimf          Haus
Fil        fLimf    
   fLimf          |
| 41 | 40 | eqcoms 1887 |
. . . . . . . . . 10
    fLimf    
  fLimf        fLimf         fLimf       fLimf         fLimf       fLimf         fLimf          fLimf       fLimf          Haus
Fil        fLimf    
   fLimf          |
| 42 | 14, 16, 41 | mp2 54 |
. . . . . . . . 9
   fLimf          fLimf    
  fLimf          Haus Fil
       fLimf    
   fLimf        |
| 43 | 15, 42 | syl 12 |
. . . . . . . 8
    fLimf        fLimf       fLimf         fLimf       fLimf           fLimf       fLimf           Haus
Fil        fLimf    
   fLimf        |
| 44 | 43 | ex 402 |
. . . . . . 7
   fLimf        fLimf    
  fLimf          fLimf       fLimf           fLimf       fLimf          Haus
Fil        fLimf    
   fLimf         |
| 45 | 44 | eqcoms 1887 |
. . . . . 6
    fLimf    
  fLimf        fLimf         fLimf       fLimf           fLimf       fLimf          Haus
Fil        fLimf    
   fLimf         |
| 46 | 14, 45 | ax-mp 7 |
. . . . 5
    fLimf    
  fLimf           fLimf    
  fLimf          Haus Fil
       fLimf    
   fLimf        |
| 47 | 13, 46 | syl 12 |
. . . 4
     fLimf       fLimf         fLimf       fLimf         fLimf       fLimf           fLimf       fLimf           Haus Fil
       fLimf    
   fLimf        |
| 48 | | reuunisn 3822 |
. . . 4
    fLimf        fLimf    
   fLimf    
  fLimf           fLimf       fLimf         |
| 49 | 47, 16, 48 | sylancr 526 |
. . 3
    fLimf        fLimf    
   Haus Fil
       fLimf    
   fLimf        |
| 50 | 12, 49 | sylbi 216 |
. 2
    fLimf        Haus
Fil        fLimf    
   fLimf        |
| 51 | 8, 50 | mpcom 60 |
1
   Haus
Fil        fLimf    
   fLimf       |