Proof of Theorem tfrlem5
| Step | Hyp | Ref
| Expression |
| 1 | | tfrlem.1 |
. . . . . 6
 
               |
| 2 | 1 | tfrlem3 4214 |
. . . . 5
 
               |
| 3 | 2 | abeq2i 1613 |
. . . 4
   
             |
| 4 | 1 | tfrlem3 4214 |
. . . . 5
 

              |
| 5 | 4 | abeq2i 1613 |
. . . 4




             |
| 6 | 3, 5 | anbi12i 485 |
. . 3
      
                            |
| 7 | | reeanv 1824 |
. . 3
             
   
                
                            |
| 8 | 6, 7 | bitr4i 174 |
. 2
       
                           |
| 9 | | 2elresin 3704 |
. . . . . . . . 9
                               |
| 10 | | tfrlem2 4213 |
. . . . . . . . . 10
                                           
                                             |
| 11 | | fnresin1 3707 |
. . . . . . . . . 10
         |
| 12 | | fnresin2 3708 |
. . . . . . . . . 10

        |
| 13 | 10, 11, 12 | syl2an 456 |
. . . . . . . . 9
                               
                                             |
| 14 | 9, 13 | sylbid 201 |
. . . . . . . 8
                       
                                             |
| 15 | 14 | com24 37 |
. . . . . . 7
                                                      
    
         |
| 16 | 15 | com3r 35 |
. . . . . 6
  
                         
                 
            
         |
| 17 | 16 | imp32 361 |
. . . . 5
                            
                 
                      |
| 18 | | onin 3006 |
. . . . 5
       |
| 19 | | r19.26m 1798 |
. . . . . . . 8
                                         
             |
| 20 | | prth 559 |
. . . . . . . . . . . 12
          
                           
                |
| 21 | | pm3.27 321 |
. . . . . . . . . . . . 13
           |
| 22 | | elin 2259 |
. . . . . . . . . . . . 13
       |
| 23 | 21, 22 | sylib 196 |
. . . . . . . . . . . 12
           |
| 24 | 20, 23 | syl5 21 |
. . . . . . . . . . 11
          
                   
           
                |
| 25 | | onelss 3017 |
. . . . . . . . . . . . . 14
  
        |
| 26 | 25 | impac 387 |
. . . . . . . . . . . . 13
               |
| 27 | | fvres 3845 |
. . . . . . . . . . . . . . 15
                 |
| 28 | | resabs1 3478 |
. . . . . . . . . . . . . . . 16
             |
| 29 | 28 | fveq2d 3839 |
. . . . . . . . . . . . . . 15
          
          |
| 30 | 27, 29 | eqeqan12rd 1534 |
. . . . . . . . . . . . . 14
                                 
     |
| 31 | | fvres 3845 |
. . . . . . . . . . . . . . 15
                 |
| 32 | | resabs1 3478 |
. . . . . . . . . . . . . . . 16
             |
| 33 | 32 | fveq2d 3839 |
. . . . . . . . . . . . . . 15
          
          |
| 34 | 31, 33 | eqeqan12rd 1534 |
. . . . . . . . . . . . . 14
                                       |
| 35 | 30, 34 | anbi12d 631 |
. . . . . . . . . . . . 13
                                                                       |
| 36 | 26, 35 | syl 10 |
. . . . . . . . . . . 12
                                                                       |
| 37 | 36 | bicomd 524 |
. . . . . . . . . . 11
                                           
                 
         |
| 38 | 24, 37 | mpbidi 592 |
. . . . . . . . . 10
          
                   
     
             
   
             
      |
| 39 | 38 | exp3a 374 |
. . . . . . . . 9
          
                                   
                 
          |
| 40 | 39 | 19.20i 1028 |
. . . . . . . 8
                                                                               |
| 41 | 19, 40 | sylbir 199 |
. . . . . . 7
                                
                                          |
| 42 | 41 | anim2i 333 |
. . . . . 6
                                    
     
             
   
             
        |
| 43 | 42 | an4s 511 |
. . . . 5
           
   
                    
     
             
   
             
        |
| 44 | 17, 18, 43 | syl2an 456 |
. . . 4
                   
                 
       |
| 45 | 44 | ex 371 |
. . 3
                   
                         |
| 46 | 45 | r19.23aivv 1794 |
. 2
             
   
                         |
| 47 | 8, 46 | sylbi 197 |
1
               |