Proof of Theorem quad3
| Step | Hyp | Ref
| Expression |
| 1 | | 2cn 11091 |
. . . . . 6
 |
| 2 | | quad3.2 |
. . . . . 6
 |
| 3 | 1, 2 | mulcli 10045 |
. . . . 5
   |
| 4 | | quad3.1 |
. . . . . 6
 |
| 5 | | quad3.4 |
. . . . . . 7
 |
| 6 | | 2ne0 11113 |
. . . . . . . 8
 |
| 7 | | quad3.3 |
. . . . . . . 8
 |
| 8 | 1, 2, 6, 7 | mulne0i 10670 |
. . . . . . 7
   |
| 9 | 5, 3, 8 | divcli 10767 |
. . . . . 6
     |
| 10 | 4, 9 | addcli 10044 |
. . . . 5
       |
| 11 | 3, 10 | sqmuli 12947 |
. . . 4
                                 |
| 12 | 4, 9 | binom2i 12974 |
. . . . . . 7
                 
                 |
| 13 | 4 | sqcli 12944 |
. . . . . . . . . . . 12
     |
| 14 | 2, 13 | mulcli 10045 |
. . . . . . . . . . 11
       |
| 15 | 5, 4 | mulcli 10045 |
. . . . . . . . . . 11
   |
| 16 | 14, 15, 2, 7 | divdiri 10782 |
. . . . . . . . . 10
                           |
| 17 | 13, 2, 7 | divcan3i 10771 |
. . . . . . . . . . 11
             |
| 18 | 5, 4, 2, 7 | div23i 10783 |
. . . . . . . . . . 11
         |
| 19 | 17, 18 | oveq12i 6662 |
. . . . . . . . . 10
                         |
| 20 | 16, 19 | eqtr2i 2645 |
. . . . . . . . 9
                       |
| 21 | 5, 2, 7 | divcli 10767 |
. . . . . . . . . . . 12
   |
| 22 | 21, 4 | mulcomi 10046 |
. . . . . . . . . . 11
         |
| 23 | 4, 21 | mulcli 10045 |
. . . . . . . . . . . 12
     |
| 24 | 23, 1, 6 | divcan2i 10768 |
. . . . . . . . . . 11
             |
| 25 | 4, 21, 1, 6 | divassi 10781 |
. . . . . . . . . . . . 13
             |
| 26 | 2, 7 | pm3.2i 471 |
. . . . . . . . . . . . . . . 16
   |
| 27 | 1, 6 | pm3.2i 471 |
. . . . . . . . . . . . . . . 16
   |
| 28 | | divdiv1 10736 |
. . . . . . . . . . . . . . . 16
  
              |
| 29 | 5, 26, 27, 28 | mp3an 1424 |
. . . . . . . . . . . . . . 15
     
   |
| 30 | 2, 1 | mulcomi 10046 |
. . . . . . . . . . . . . . . 16
     |
| 31 | 30 | oveq2i 6661 |
. . . . . . . . . . . . . . 15
         |
| 32 | 29, 31 | eqtri 2644 |
. . . . . . . . . . . . . 14
         |
| 33 | 32 | oveq2i 6661 |
. . . . . . . . . . . . 13
             |
| 34 | 25, 33 | eqtri 2644 |
. . . . . . . . . . . 12
             |
| 35 | 34 | oveq2i 6661 |
. . . . . . . . . . 11
         
       |
| 36 | 22, 24, 35 | 3eqtr2i 2650 |
. . . . . . . . . 10
     
       |
| 37 | 36 | oveq2i 6661 |
. . . . . . . . 9
                         |
| 38 | | quad3.5 |
. . . . . . . . . . . . . . 15
 |
| 39 | 14, 15, 38 | addassi 10048 |
. . . . . . . . . . . . . 14
                         |
| 40 | 39 | eqcomi 2631 |
. . . . . . . . . . . . 13
                         |
| 41 | 40 | oveq1i 6660 |
. . . . . . . . . . . 12
                             |
| 42 | 14, 15 | addcli 10044 |
. . . . . . . . . . . . 13
           |
| 43 | 42, 38 | pncan3oi 10297 |
. . . . . . . . . . . 12
                         |
| 44 | 41, 43 | eqtr2i 2645 |
. . . . . . . . . . 11
                         |
| 45 | | quad3.6 |
. . . . . . . . . . . . 13
             |
| 46 | 45 | oveq1i 6660 |
. . . . . . . . . . . 12
                 |
| 47 | | df-neg 10269 |
. . . . . . . . . . . 12
    |
| 48 | 46, 47 | eqtr4i 2647 |
. . . . . . . . . . 11
                |
| 49 | 44, 48 | eqtri 2644 |
. . . . . . . . . 10
            |
| 50 | 49 | oveq1i 6660 |
. . . . . . . . 9
                |
| 51 | 20, 37, 50 | 3eqtr3i 2652 |
. . . . . . . 8
                  |
| 52 | 51 | oveq1i 6660 |
. . . . . . 7
        
                             |
| 53 | 12, 52 | eqtri 2644 |
. . . . . 6
                        |
| 54 | 38 | negcli 10349 |
. . . . . . . 8
  |
| 55 | 54, 2, 7 | divcli 10767 |
. . . . . . 7
    |
| 56 | 9 | sqcli 12944 |
. . . . . . 7
         |
| 57 | 55, 56 | addcomi 10227 |
. . . . . 6
                           |
| 58 | 5, 3, 8 | sqdivi 12948 |
. . . . . . . 8
                     |
| 59 | | 4cn 11098 |
. . . . . . . . . . 11
 |
| 60 | 59, 2 | mulcli 10045 |
. . . . . . . . . 10
   |
| 61 | | 4ne0 11117 |
. . . . . . . . . . 11
 |
| 62 | 59, 2, 61, 7 | mulne0i 10670 |
. . . . . . . . . 10
   |
| 63 | 60, 60, 54, 2, 62, 7 | divmuldivi 10785 |
. . . . . . . . 9
                       |
| 64 | 60, 62 | dividi 10758 |
. . . . . . . . . . . 12
       |
| 65 | 64 | eqcomi 2631 |
. . . . . . . . . . 11
       |
| 66 | 65 | oveq1i 6660 |
. . . . . . . . . 10
                 |
| 67 | 55 | mulid2i 10043 |
. . . . . . . . . 10
         |
| 68 | 66, 67 | eqtr3i 2646 |
. . . . . . . . 9
               |
| 69 | 38 | mulm1i 10475 |
. . . . . . . . . . . . . . 15
     |
| 70 | 69 | eqcomi 2631 |
. . . . . . . . . . . . . 14
     |
| 71 | 70 | oveq2i 6661 |
. . . . . . . . . . . . 13
             |
| 72 | | neg1cn 11124 |
. . . . . . . . . . . . . 14
  |
| 73 | 60, 72, 38 | mulassi 10049 |
. . . . . . . . . . . . 13
               |
| 74 | 71, 73 | eqtr4i 2647 |
. . . . . . . . . . . 12
             |
| 75 | 60, 72 | mulcomi 10046 |
. . . . . . . . . . . . 13
           |
| 76 | 75 | oveq1i 6660 |
. . . . . . . . . . . 12
               |
| 77 | 72, 60, 38 | mulassi 10049 |
. . . . . . . . . . . 12
               |
| 78 | 74, 76, 77 | 3eqtri 2648 |
. . . . . . . . . . 11
             |
| 79 | 59, 2, 38 | mulassi 10049 |
. . . . . . . . . . . 12
     
   |
| 80 | 79 | oveq2i 6661 |
. . . . . . . . . . 11
          
    |
| 81 | 2, 38 | mulcli 10045 |
. . . . . . . . . . . . 13
   |
| 82 | 59, 81 | mulcli 10045 |
. . . . . . . . . . . 12
     |
| 83 | 82 | mulm1i 10475 |
. . . . . . . . . . 11
             |
| 84 | 78, 80, 83 | 3eqtri 2648 |
. . . . . . . . . 10
           |
| 85 | | 2t2e4 11177 |
. . . . . . . . . . . . . . . 16
   |
| 86 | 85 | eqcomi 2631 |
. . . . . . . . . . . . . . 15
   |
| 87 | 86 | oveq1i 6660 |
. . . . . . . . . . . . . 14
       |
| 88 | 87 | oveq1i 6660 |
. . . . . . . . . . . . 13
           |
| 89 | 1, 1, 2 | mulassi 10049 |
. . . . . . . . . . . . . 14
         |
| 90 | 89 | oveq1i 6660 |
. . . . . . . . . . . . 13
             |
| 91 | 88, 90 | eqtri 2644 |
. . . . . . . . . . . 12
           |
| 92 | 1, 3 | mulcomi 10046 |
. . . . . . . . . . . . 13
         |
| 93 | 92 | oveq1i 6660 |
. . . . . . . . . . . 12
             |
| 94 | 3, 1, 2 | mulassi 10049 |
. . . . . . . . . . . 12
             |
| 95 | 91, 93, 94 | 3eqtri 2648 |
. . . . . . . . . . 11
           |
| 96 | 3 | sqvali 12943 |
. . . . . . . . . . 11
             |
| 97 | 95, 96 | eqtr4i 2647 |
. . . . . . . . . 10
           |
| 98 | 84, 97 | oveq12i 6662 |
. . . . . . . . 9
                         |
| 99 | 63, 68, 98 | 3eqtr3i 2652 |
. . . . . . . 8
                 |
| 100 | 58, 99 | oveq12i 6662 |
. . . . . . 7
                                         |
| 101 | 5 | sqcli 12944 |
. . . . . . . 8
     |
| 102 | 82 | negcli 10349 |
. . . . . . . 8
      |
| 103 | 3 | sqcli 12944 |
. . . . . . . 8
       |
| 104 | 3, 3, 8, 8 | mulne0i 10670 |
. . . . . . . . 9
       |
| 105 | 96, 104 | eqnetri 2864 |
. . . . . . . 8
       |
| 106 | 101, 102,
103, 105 | divdiri 10782 |
. . . . . . 7
                                               |
| 107 | 101, 82 | negsubi 10359 |
. . . . . . . 8
                      |
| 108 | 107 | oveq1i 6660 |
. . . . . . 7
                                      |
| 109 | 100, 106,
108 | 3eqtr2i 2650 |
. . . . . 6
                    
           |
| 110 | 53, 57, 109 | 3eqtri 2648 |
. . . . 5
                 
           |
| 111 | 110 | oveq2i 6661 |
. . . 4
                                             |
| 112 | 101, 82 | subcli 10357 |
. . . . 5
           |
| 113 | 112, 103,
105 | divcan2i 10768 |
. . . 4
                                     |
| 114 | 11, 111, 113 | 3eqtri 2648 |
. . 3
                         |
| 115 | 3, 10 | mulcli 10045 |
. . . . 5
    
      |
| 116 | 115, 112 | pm3.2i 471 |
. . . 4
                       |
| 117 | | eqsqrtor 14106 |
. . . 4
     
                                               
                       
                        |
| 118 | 116, 117 | ax-mp 5 |
. . 3
     
               
  
                             
                       |
| 119 | 114, 118 | mpbi 220 |
. 2
                             
                      |
| 120 | | sqrtcl 14101 |
. . . . . . 7
                    
      |
| 121 | 112, 120 | ax-mp 5 |
. . . . . 6
               |
| 122 | 121, 3, 10, 8 | divmuli 10779 |
. . . . 5
                    
   
    
                     |
| 123 | | eqcom 2629 |
. . . . 5
                    
   
                          |
| 124 | 122, 123 | bitr3i 266 |
. . . 4
                          
                        |
| 125 | 121, 3, 8 | divcli 10767 |
. . . . . 6
                   |
| 126 | 125, 9, 4 | subadd2i 10369 |
. . . . 5
                          
                        |
| 127 | | eqcom 2629 |
. . . . 5
                        
                          |
| 128 | 126, 127 | bitr3i 266 |
. . . 4
                        
                          |
| 129 | | divneg 10719 |
. . . . . . . . 9
                   |
| 130 | 5, 3, 8, 129 | mp3an 1424 |
. . . . . . . 8
           |
| 131 | 130 | oveq2i 6661 |
. . . . . . 7
                                                   |
| 132 | 125, 9 | negsubi 10359 |
. . . . . . 7
                                                  |
| 133 | 5 | negcli 10349 |
. . . . . . . . 9
  |
| 134 | 133, 3, 8 | divcli 10767 |
. . . . . . . 8
      |
| 135 | 125, 134 | addcomi 10227 |
. . . . . . 7
                                                   |
| 136 | 131, 132,
135 | 3eqtr3i 2652 |
. . . . . 6
                                                  |
| 137 | 133, 121,
3, 8 | divdiri 10782 |
. . . . . 6
                                               |
| 138 | 136, 137 | eqtr4i 2647 |
. . . . 5
                                              |
| 139 | 138 | eqeq2i 2634 |
. . . 4
                    
   
                       |
| 140 | 124, 128,
139 | 3bitri 286 |
. . 3
                        
                       |
| 141 | 121 | negcli 10349 |
. . . . . 6
          
     |
| 142 | 141, 3, 10, 8 | divmuli 10779 |
. . . . 5
                     
   
    
                      |
| 143 | | eqcom 2629 |
. . . . 5
                     
   
                           |
| 144 | 142, 143 | bitr3i 266 |
. . . 4
                           
                         |
| 145 | 141, 3, 8 | divcli 10767 |
. . . . . 6
                    |
| 146 | 145, 9, 4 | subadd2i 10369 |
. . . . 5
                         
                           |
| 147 | | eqcom 2629 |
. . . . 5
                         
            
              |
| 148 | 146, 147 | bitr3i 266 |
. . . 4
                  
      
            
              |
| 149 | 130 | oveq2i 6661 |
. . . . . . 7
                                      
              |
| 150 | 145, 9 | negsubi 10359 |
. . . . . . 7
                                      
             |
| 151 | 145, 134 | addcomi 10227 |
. . . . . . 7
                                                     |
| 152 | 149, 150,
151 | 3eqtr3i 2652 |
. . . . . 6
                                                    |
| 153 | 133, 141,
3, 8 | divdiri 10782 |
. . . . . 6
                                                 |
| 154 | 133, 121 | negsubi 10359 |
. . . . . . 7
 
                                  |
| 155 | 154 | oveq1i 6660 |
. . . . . 6
                        
                   |
| 156 | 152, 153,
155 | 3eqtr2i 2650 |
. . . . 5
                                               |
| 157 | 156 | eqeq2i 2634 |
. . . 4
                     
   
                       |
| 158 | 144, 148,
157 | 3bitri 286 |
. . 3
                         
            
          |
| 159 | 140, 158 | orbi12i 543 |
. 2
     
                                             
   
                    
                     |
| 160 | 119, 159 | mpbi 220 |
1
   
                    
                    |