| Step | Hyp | Ref
| Expression |
| 1 | | hpg.p |
. . . . 5
     |
| 2 | | hpg.i |
. . . . 5
Itv   |
| 3 | | opphl.k |
. . . . 5
hlG   |
| 4 | | opphllem3.u |
. . . . . 6
   |
| 5 | 4 | ad4antr 768 |
. . . . 5
                 
       |
| 6 | | opphllem5.a |
. . . . . 6
   |
| 7 | 6 | ad4antr 768 |
. . . . 5
                 
       |
| 8 | | opphl.l |
. . . . . . 7
LineG   |
| 9 | | opphl.g |
. . . . . . 7

TarskiG |
| 10 | | opphl.d |
. . . . . . 7
   |
| 11 | | opphllem5.r |
. . . . . . 7
   |
| 12 | 1, 8, 2, 9, 10, 11 | tglnpt 25444 |
. . . . . 6
   |
| 13 | 12 | ad4antr 768 |
. . . . 5
                 
       |
| 14 | 9 | ad4antr 768 |
. . . . 5
                 
     TarskiG |
| 15 | | simplr 792 |
. . . . 5
                 
       |
| 16 | | simprl 794 |
. . . . 5
                 
           |
| 17 | | opphllem5.p |
. . . . . . . 8
  ⟂G         |
| 18 | 8, 9, 17 | perpln2 25606 |
. . . . . . 7
       |
| 19 | 1, 2, 8, 9, 6, 12,
18 | tglnne 25523 |
. . . . . 6
   |
| 20 | 19 | ad4antr 768 |
. . . . 5
                 
       |
| 21 | | hpg.d |
. . . . . 6
     |
| 22 | | opphllem5.c |
. . . . . . 7
   |
| 23 | 22 | ad4antr 768 |
. . . . . 6
                 
       |
| 24 | | opphllem5.s |
. . . . . . . 8
   |
| 25 | 1, 8, 2, 9, 10, 24 | tglnpt 25444 |
. . . . . . 7
   |
| 26 | 25 | ad4antr 768 |
. . . . . 6
                 
       |
| 27 | | simprr 796 |
. . . . . . 7
                 
           |
| 28 | 1, 21, 2, 14, 26, 23, 13, 15, 27 | tgcgrcomlr 25375 |
. . . . . 6
                 
           |
| 29 | | opphllem5.q |
. . . . . . . . 9
  ⟂G         |
| 30 | 29 | ad4antr 768 |
. . . . . . . 8
                 
      ⟂G         |
| 31 | 8, 14, 30 | perpln2 25606 |
. . . . . . 7
                 
           |
| 32 | 1, 2, 8, 14, 23, 26, 31 | tglnne 25523 |
. . . . . 6
                 
       |
| 33 | 1, 21, 2, 14, 23, 26, 15, 13, 28, 32 | tgcgrneq 25378 |
. . . . 5
                 
       |
| 34 | 1, 2, 3, 5, 7, 13,
14, 15, 16, 20, 33 | hlbtwn 25506 |
. . . 4
                 
                     |
| 35 | | eqid 2622 |
. . . . . . 7
pInvG  pInvG   |
| 36 | 14 | adantr 481 |
. . . . . . 7
     
            
           
TarskiG |
| 37 | | opphllem5.n |
. . . . . . 7
 pInvG      |
| 38 | | opphllem5.m |
. . . . . . . 8
   |
| 39 | 38 | ad5antr 770 |
. . . . . . 7
     
            
           
  |
| 40 | 5 | adantr 481 |
. . . . . . 7
     
            
           
  |
| 41 | 15 | adantr 481 |
. . . . . . 7
     
            
           
  |
| 42 | 13 | adantr 481 |
. . . . . . 7
     
            
           
  |
| 43 | | simpr 477 |
. . . . . . 7
     
            
           
        |
| 44 | 1, 21, 2, 8, 35, 36, 37, 3, 39, 40, 41, 42, 43 | mirhl 25574 |
. . . . . 6
     
            
           
                    |
| 45 | | eqidd 2623 |
. . . . . . 7
     
            
           
          |
| 46 | | opphllem3.v |
. . . . . . . . 9
       |
| 47 | 46 | ad5antr 770 |
. . . . . . . 8
     
            
           
      |
| 48 | 47 | fveq2d 6195 |
. . . . . . 7
     
            
           
              |
| 49 | | simprr 796 |
. . . . . . . . . 10
                   
     
   pInvG       
  pInvG            pInvG          |
| 50 | 14 | ad2antrr 762 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG          TarskiG |
| 51 | | simplr 792 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG            |
| 52 | 38 | ad6antr 772 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG            |
| 53 | 26 | ad2antrr 762 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG            |
| 54 | 13 | ad2antrr 762 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG            |
| 55 | | simprl 794 |
. . . . . . . . . . . . . . 15
                   
     
   pInvG       
  pInvG            pInvG          |
| 56 | 55 | eqcomd 2628 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG            pInvG          |
| 57 | 37 | fveq1i 6192 |
. . . . . . . . . . . . . . . 16
      pInvG         |
| 58 | 1, 21, 2, 8, 35, 9,
38, 37, 12, 46 | mircom 25558 |
. . . . . . . . . . . . . . . 16
       |
| 59 | 57, 58 | syl5eqr 2670 |
. . . . . . . . . . . . . . 15
   pInvG          |
| 60 | 59 | ad6antr 772 |
. . . . . . . . . . . . . 14
                   
     
   pInvG       
  pInvG            pInvG          |
| 61 | 1, 21, 2, 8, 35, 50, 51, 52, 53, 54, 56, 60 | miduniq 25580 |
. . . . . . . . . . . . 13
                   
     
   pInvG       
  pInvG            |
| 62 | 61 | fveq2d 6195 |
. . . . . . . . . . . 12
                   
     
   pInvG       
  pInvG           pInvG      pInvG       |
| 63 | 62, 37 | syl6eqr 2674 |
. . . . . . . . . . 11
                   
     
   pInvG       
  pInvG           pInvG       |
| 64 | 63 | fveq1d 6193 |
. . . . . . . . . 10
                   
     
   pInvG       
  pInvG            pInvG              |
| 65 | 49, 64 | eqtr2d 2657 |
. . . . . . . . 9
                   
     
   pInvG       
  pInvG                |
| 66 | | opphllem3.t |
. . . . . . . . . . . 12
   |
| 67 | 66 | ad4antr 768 |
. . . . . . . . . . 11
                 
       |
| 68 | 67 | necomd 2849 |
. . . . . . . . . 10
                 
       |
| 69 | 10 | ad4antr 768 |
. . . . . . . . . . 11
                 
       |
| 70 | | simp-4r 807 |
. . . . . . . . . . 11
                 
       |
| 71 | 1, 8, 2, 14, 69, 70 | tglnpt 25444 |
. . . . . . . . . 10
                 
       |
| 72 | 24 | ad4antr 768 |
. . . . . . . . . . . 12
                 
       |
| 73 | 11 | ad4antr 768 |
. . . . . . . . . . . 12
                 
       |
| 74 | 1, 2, 8, 14, 26, 13, 68, 68, 69, 72, 73 | tglinethru 25531 |
. . . . . . . . . . 11
                 
           |
| 75 | 17 | ad4antr 768 |
. . . . . . . . . . 11
                 
      ⟂G         |
| 76 | 74, 75 | eqbrtrrd 4677 |
. . . . . . . . . 10
                 
          ⟂G         |
| 77 | 1, 2, 8, 14, 23, 26, 32 | tglinecom 25530 |
. . . . . . . . . . 11
                 
               |
| 78 | 30, 74, 77 | 3brtr3d 4684 |
. . . . . . . . . 10
                 
          ⟂G         |
| 79 | 70, 74 | eleqtrd 2703 |
. . . . . . . . . 10
                 
           |
| 80 | | simpllr 799 |
. . . . . . . . . 10
                 
           |
| 81 | 1, 21, 2, 8, 14, 35, 26, 13, 68, 7, 23, 71, 76, 78, 79, 80, 15, 16, 27 | opphllem 25627 |
. . . . . . . . 9
                 
      
  pInvG          pInvG           |
| 82 | 65, 81 | r19.29a 3078 |
. . . . . . . 8
                 
           |
| 83 | 82 | adantr 481 |
. . . . . . 7
     
            
           
      |
| 84 | 45, 48, 83 | breq123d 4667 |
. . . . . 6
     
            
           
                  
             |
| 85 | 44, 84 | mpbid 222 |
. . . . 5
     
            
           
            |
| 86 | 14 | adantr 481 |
. . . . . . 7
     
            
               
TarskiG |
| 87 | 38 | ad5antr 770 |
. . . . . . 7
     
            
               
  |
| 88 | 1, 21, 2, 8, 35, 9,
38, 37, 4 | mircl 25556 |
. . . . . . . 8
       |
| 89 | 88 | ad5antr 770 |
. . . . . . 7
     
            
               
      |
| 90 | 23 | adantr 481 |
. . . . . . 7
     
            
               
  |
| 91 | 26 | adantr 481 |
. . . . . . 7
     
            
               
  |
| 92 | | simpr 477 |
. . . . . . 7
     
            
               
            |
| 93 | 1, 21, 2, 8, 35, 86, 37, 3, 87, 89, 90, 91, 92 | mirhl 25574 |
. . . . . 6
     
            
               
                        |
| 94 | 5 | adantr 481 |
. . . . . . . 8
     
            
               
  |
| 95 | 1, 21, 2, 8, 35, 86, 87, 37, 94 | mirmir 25557 |
. . . . . . 7
     
            
               
          |
| 96 | 13 | adantr 481 |
. . . . . . . . 9
     
            
               
  |
| 97 | 46 | ad5antr 770 |
. . . . . . . . 9
     
            
               
      |
| 98 | 1, 21, 2, 8, 35, 86, 87, 37, 96, 97 | mircom 25558 |
. . . . . . . 8
     
            
               
      |
| 99 | 98 | fveq2d 6195 |
. . . . . . 7
     
            
               
              |
| 100 | 15 | adantr 481 |
. . . . . . . 8
     
            
               
  |
| 101 | 82 | adantr 481 |
. . . . . . . 8
     
            
               
      |
| 102 | 1, 21, 2, 8, 35, 86, 87, 37, 100, 101 | mircom 25558 |
. . . . . . 7
     
            
               
      |
| 103 | 95, 99, 102 | breq123d 4667 |
. . . . . 6
     
            
               
                                |
| 104 | 93, 103 | mpbid 222 |
. . . . 5
     
            
               
        |
| 105 | 85, 104 | impbida 877 |
. . . 4
                 
                         |
| 106 | 34, 105 | bitrd 268 |
. . 3
                 
                         |
| 107 | | opphllem3.l |
. . . . 5
    ≤G       |
| 108 | | eqid 2622 |
. . . . . 6
≤G  ≤G   |
| 109 | 1, 21, 2, 108, 9, 25, 22, 12, 6 | legov 25480 |
. . . . 5
     ≤G    

             |
| 110 | 107, 109 | mpbid 222 |
. . . 4
  
           |
| 111 | 110 | ad2antrr 762 |
. . 3
         
            |
| 112 | 106, 111 | r19.29a 3078 |
. 2
               
             |
| 113 | | opphllem5.o |
. . . 4
     |
| 114 | | hpg.o |
. . . . 5
   
   
           |
| 115 | 1, 21, 2, 114, 6, 22 | islnopp 25631 |
. . . 4
     
 
        |
| 116 | 113, 115 | mpbid 222 |
. . 3
  
 
       |
| 117 | 116 | simprd 479 |
. 2
 
      |
| 118 | 112, 117 | r19.29a 3078 |
1
                     |