Proof of Theorem mirbtwnhl
| Step | Hyp | Ref
| Expression |
| 1 | | mirval.p |
. . . . . 6
     |
| 2 | | mirval.i |
. . . . . 6
Itv   |
| 3 | | mirhl.k |
. . . . . 6
hlG   |
| 4 | | mirhl.a |
. . . . . 6
   |
| 5 | | mirhl.x |
. . . . . 6
   |
| 6 | | mirval.g |
. . . . . 6

TarskiG |
| 7 | 1, 2, 3, 4, 5, 4, 6 | hleqnid 25503 |
. . . . 5
         |
| 8 | 7 | adantr 481 |
. . . 4
 
         |
| 9 | | simpr 477 |
. . . . 5
 
   |
| 10 | 9 | breq1d 4663 |
. . . 4
 
       
         |
| 11 | 8, 10 | mtbird 315 |
. . 3
 
         |
| 12 | | mirhl.y |
. . . . . 6
   |
| 13 | 1, 2, 3, 4, 12, 4,
6 | hleqnid 25503 |
. . . . 5
         |
| 14 | 13 | adantr 481 |
. . . 4
 
         |
| 15 | 9 | fveq2d 6195 |
. . . . . 6
 
           |
| 16 | | mirval.d |
. . . . . . . 8
     |
| 17 | | mirval.l |
. . . . . . . 8
LineG   |
| 18 | | mirval.s |
. . . . . . . 8
pInvG   |
| 19 | | mirhl.m |
. . . . . . . 8
     |
| 20 | 1, 16, 2, 17, 18, 6, 4, 19 | mircinv 25563 |
. . . . . . 7
       |
| 21 | 20 | adantr 481 |
. . . . . 6
 
       |
| 22 | 15, 21 | eqtrd 2656 |
. . . . 5
 
       |
| 23 | 22 | breq1d 4663 |
. . . 4
 
           
         |
| 24 | 14, 23 | mtbird 315 |
. . 3
 
             |
| 25 | 11, 24 | 2falsed 366 |
. 2
 
       
             |
| 26 | | simplr 792 |
. . . . . . . 8
             |
| 27 | 26 | neneqd 2799 |
. . . . . . 7
          
  |
| 28 | 6 | ad3antrrr 766 |
. . . . . . . 8
                
TarskiG |
| 29 | 4 | ad3antrrr 766 |
. . . . . . . 8
                
  |
| 30 | | mirhl.z |
. . . . . . . . 9
   |
| 31 | 30 | ad3antrrr 766 |
. . . . . . . 8
                
  |
| 32 | | simpr 477 |
. . . . . . . . 9
                
      |
| 33 | 20 | ad3antrrr 766 |
. . . . . . . . 9
                
      |
| 34 | 32, 33 | eqtr4d 2659 |
. . . . . . . 8
                
          |
| 35 | 1, 16, 2, 17, 18, 28, 29, 19, 31, 29, 34 | mireq 25560 |
. . . . . . 7
                
  |
| 36 | 27, 35 | mtand 691 |
. . . . . 6
                 |
| 37 | 36 | neqned 2801 |
. . . . 5
                 |
| 38 | | mirbtwnhl.2 |
. . . . . 6
   |
| 39 | 38 | ad2antrr 762 |
. . . . 5
             |
| 40 | 6 | ad2antrr 762 |
. . . . . 6
          
TarskiG |
| 41 | 5 | ad2antrr 762 |
. . . . . 6
          
  |
| 42 | 4 | ad2antrr 762 |
. . . . . 6
          
  |
| 43 | 1, 16, 2, 17, 18, 6, 4, 19, 30 | mircl 25556 |
. . . . . . 7
       |
| 44 | 43 | ad2antrr 762 |
. . . . . 6
                 |
| 45 | 12 | ad2antrr 762 |
. . . . . 6
          
  |
| 46 | | mirbtwnhl.1 |
. . . . . . 7
   |
| 47 | 46 | ad2antrr 762 |
. . . . . 6
             |
| 48 | 30 | ad2antrr 762 |
. . . . . . 7
          
  |
| 49 | 1, 2, 3, 30, 5, 4,
6 | ishlg 25497 |
. . . . . . . . . . 11
        
              |
| 50 | 49 | adantr 481 |
. . . . . . . . . 10
 

      

              |
| 51 | 50 | biimpa 501 |
. . . . . . . . 9
           
             |
| 52 | 51 | simp3d 1075 |
. . . . . . . 8
                       |
| 53 | 52 | orcomd 403 |
. . . . . . 7
                       |
| 54 | 1, 16, 2, 17, 18, 40, 19, 42, 41, 48, 53 | mirconn 25573 |
. . . . . 6
          
          |
| 55 | | mirbtwnhl.3 |
. . . . . . 7
       |
| 56 | 55 | ad2antrr 762 |
. . . . . 6
          
      |
| 57 | 1, 2, 40, 41, 42, 44, 45, 47, 54, 56 | tgbtwnconn2 25471 |
. . . . 5
                               |
| 58 | 37, 39, 57 | 3jca 1242 |
. . . 4
               
                     |
| 59 | 1, 2, 3, 43, 12, 4, 6 | ishlg 25497 |
. . . . . 6
                
                      |
| 60 | 59 | adantr 481 |
. . . . 5
 

          
    
                      |
| 61 | 60 | adantr 481 |
. . . 4
                          
                      |
| 62 | 58, 61 | mpbird 247 |
. . 3
                       |
| 63 | | simplr 792 |
. . . . 5
                 |
| 64 | 46 | ad2antrr 762 |
. . . . 5
                 |
| 65 | 6 | ad2antrr 762 |
. . . . . 6
              
TarskiG |
| 66 | 12 | ad2antrr 762 |
. . . . . 6
              
  |
| 67 | 4 | ad2antrr 762 |
. . . . . 6
              
  |
| 68 | 30 | ad2antrr 762 |
. . . . . 6
              
  |
| 69 | 5 | ad2antrr 762 |
. . . . . 6
              
  |
| 70 | 38 | ad2antrr 762 |
. . . . . 6
                 |
| 71 | 20 | ad2antrr 762 |
. . . . . . . 8
                     |
| 72 | 43 | ad2antrr 762 |
. . . . . . . . 9
                     |
| 73 | 1, 16, 2, 17, 18, 65, 67, 19, 66 | mircl 25556 |
. . . . . . . . 9
                     |
| 74 | 60 | biimpa 501 |
. . . . . . . . . . 11
                   
                     |
| 75 | 74 | simp3d 1075 |
. . . . . . . . . 10
                                   |
| 76 | 1, 16, 2, 17, 18, 65, 19, 67, 72, 66, 75 | mirconn 25573 |
. . . . . . . . 9
              
              |
| 77 | 1, 16, 2, 65, 72, 67, 73, 76 | tgbtwncom 25383 |
. . . . . . . 8
              
              |
| 78 | 71, 77 | eqeltrd 2701 |
. . . . . . 7
                                 |
| 79 | 1, 16, 2, 17, 18, 65, 67, 19, 66, 67, 68 | mirbtwnb 25567 |
. . . . . . 7
                                       |
| 80 | 78, 79 | mpbird 247 |
. . . . . 6
              
      |
| 81 | 1, 16, 2, 6, 5, 4, 12, 55 | tgbtwncom 25383 |
. . . . . . 7
       |
| 82 | 81 | ad2antrr 762 |
. . . . . 6
              
      |
| 83 | 1, 2, 65, 66, 67, 68, 69, 70, 80, 82 | tgbtwnconn2 25471 |
. . . . 5
                           |
| 84 | 63, 64, 83 | 3jca 1242 |
. . . 4
               
             |
| 85 | 50 | adantr 481 |
. . . 4
                      
              |
| 86 | 84, 85 | mpbird 247 |
. . 3
                       |
| 87 | 62, 86 | impbida 877 |
. 2
 

      
             |
| 88 | 25, 87 | pm2.61dane 2881 |
1
                     |