| Step | Hyp | Ref
| Expression |
| 1 | | xpsvsca.3 |
. . 3
   |
| 2 | | df-ov 6653 |
. . . . 5
   
                            |
| 3 | | xpsvsca.4 |
. . . . . 6
   |
| 4 | | xpsvsca.5 |
. . . . . 6
   |
| 5 | | eqid 2622 |
. . . . . . 7
                     |
| 6 | 5 | xpsfval 16227 |
. . . . . 6
 
                        |
| 7 | 3, 4, 6 | syl2anc 693 |
. . . . 5
                        |
| 8 | 2, 7 | syl5eqr 2670 |
. . . 4
                           |
| 9 | | opelxpi 5148 |
. . . . . 6
 
        |
| 10 | 3, 4, 9 | syl2anc 693 |
. . . . 5
        |
| 11 | 5 | xpsff1o2 16231 |
. . . . . . 7
                           |
| 12 | | f1of 6137 |
. . . . . . 7
                          
                            |
| 13 | 11, 12 | ax-mp 5 |
. . . . . 6
                           |
| 14 | 13 | ffvelrni 6358 |
. . . . 5
  
  
                 

          |
| 15 | 10, 14 | syl 17 |
. . . 4
                              |
| 16 | 8, 15 | eqeltrrd 2702 |
. . 3
                    |
| 17 | | xpssca.t |
. . . . 5
 s   |
| 18 | | xpsvsca.x |
. . . . 5
     |
| 19 | | xpsvsca.y |
. . . . 5
     |
| 20 | | xpssca.1 |
. . . . 5
   |
| 21 | | xpssca.2 |
. . . . 5
   |
| 22 | | xpssca.g |
. . . . 5
Scalar   |
| 23 | | eqid 2622 |
. . . . 5
  s          s         |
| 24 | 17, 18, 19, 20, 21, 5, 22, 23 | xpsval 16232 |
. . . 4
    
        s
  s           |
| 25 | 17, 18, 19, 20, 21, 5, 22, 23 | xpslem 16233 |
. . . 4
                s           |
| 26 | | f1ocnv 6149 |
. . . . . 6
                          
                             |
| 27 | 11, 26 | mp1i 13 |
. . . . 5
                              |
| 28 | | f1ofo 6144 |
. . . . 5
   
          

           
                             |
| 29 | 27, 28 | syl 17 |
. . . 4
                              |
| 30 | | ovexd 6680 |
. . . 4
   s          |
| 31 | | fvex 6201 |
. . . . . . . 8
Scalar   |
| 32 | 22, 31 | eqeltri 2697 |
. . . . . . 7
 |
| 33 | 32 | a1i 11 |
. . . . . 6
  |
| 34 | | ovex 6678 |
. . . . . . . 8
       |
| 35 | 34 | cnvex 7113 |
. . . . . . 7
        |
| 36 | 35 | a1i 11 |
. . . . . 6
         |
| 37 | 23, 33, 36 | prdssca 16116 |
. . . . 5
Scalar   s           |
| 38 | 37 | trud 1493 |
. . . 4
Scalar   s          |
| 39 | | xpsvsca.k |
. . . 4
     |
| 40 | | eqid 2622 |
. . . 4
     s              s          |
| 41 | | xpsvsca.p |
. . . 4
     |
| 42 | 27 | f1ovscpbl 16186 |
. . . 4
 

          

              
              
          
  

                 s                                 s               |
| 43 | 24, 25, 29, 30, 38, 39, 40, 41, 42 | imasvscaval 16198 |
. . 3
 
       

                                                      s                     |
| 44 | 1, 16, 43 | mpd3an23 1426 |
. 2
                                              s                     |
| 45 | | f1ocnvfv 6534 |
. . . . 5
   
               
             
   
                    
  

                        |
| 46 | 11, 10, 45 | sylancr 695 |
. . . 4
                                                      |
| 47 | 8, 46 | mpd 15 |
. . 3
                            |
| 48 | 47 | oveq2d 6666 |
. 2
                           
    |
| 49 | | iftrue 4092 |
. . . . . . . . . . . 12

       |
| 50 | 49 | fveq2d 6195 |
. . . . . . . . . . 11

               |
| 51 | | xpsvsca.m |
. . . . . . . . . . 11
     |
| 52 | 50, 51 | syl6eqr 2674 |
. . . . . . . . . 10

          |
| 53 | | eqidd 2623 |
. . . . . . . . . 10

  |
| 54 | | iftrue 4092 |
. . . . . . . . . 10

       |
| 55 | 52, 53, 54 | oveq123d 6671 |
. . . . . . . . 9

                      |
| 56 | | iftrue 4092 |
. . . . . . . . 9

             |
| 57 | 55, 56 | eqtr4d 2659 |
. . . . . . . 8

                        
    |
| 58 | | iffalse 4095 |
. . . . . . . . . . . 12
        |
| 59 | 58 | fveq2d 6195 |
. . . . . . . . . . 11
                |
| 60 | | xpsvsca.n |
. . . . . . . . . . 11
     |
| 61 | 59, 60 | syl6eqr 2674 |
. . . . . . . . . 10
           |
| 62 | | eqidd 2623 |
. . . . . . . . . 10
   |
| 63 | | iffalse 4095 |
. . . . . . . . . 10
        |
| 64 | 61, 62, 63 | oveq123d 6671 |
. . . . . . . . 9
                       |
| 65 | | iffalse 4095 |
. . . . . . . . 9
              |
| 66 | 64, 65 | eqtr4d 2659 |
. . . . . . . 8
                         
    |
| 67 | 57, 66 | pm2.61i 176 |
. . . . . . 7
                        
   |
| 68 | 20 | adantr 481 |
. . . . . . . . . 10
 

  |
| 69 | 21 | adantr 481 |
. . . . . . . . . 10
 

  |
| 70 | | simpr 477 |
. . . . . . . . . 10
 

  |
| 71 | | xpscfv 16222 |
. . . . . . . . . 10
 
                   |
| 72 | 68, 69, 70, 71 | syl3anc 1326 |
. . . . . . . . 9
 

                  |
| 73 | 72 | fveq2d 6195 |
. . . . . . . 8
 

                          |
| 74 | | eqidd 2623 |
. . . . . . . 8
 

  |
| 75 | 3 | adantr 481 |
. . . . . . . . 9
 

  |
| 76 | 4 | adantr 481 |
. . . . . . . . 9
 

  |
| 77 | | xpscfv 16222 |
. . . . . . . . 9
 
                   |
| 78 | 75, 76, 70, 77 | syl3anc 1326 |
. . . . . . . 8
 

                  |
| 79 | 73, 74, 78 | oveq123d 6671 |
. . . . . . 7
 

                                                  |
| 80 | | xpsvsca.6 |
. . . . . . . . 9
     |
| 81 | 80 | adantr 481 |
. . . . . . . 8
 

    |
| 82 | | xpsvsca.7 |
. . . . . . . . 9
     |
| 83 | 82 | adantr 481 |
. . . . . . . 8
 

    |
| 84 | | xpscfv 16222 |
. . . . . . . 8
    
          
                 |
| 85 | 81, 83, 70, 84 | syl3anc 1326 |
. . . . . . 7
 

                          |
| 86 | 67, 79, 85 | 3eqtr4a 2682 |
. . . . . 6
 

                                               |
| 87 | 86 | mpteq2dva 4744 |
. . . . 5
                                                    |
| 88 | | eqid 2622 |
. . . . . 6
     s              s          |
| 89 | 32 | a1i 11 |
. . . . . 6
   |
| 90 | | 2on 7568 |
. . . . . . 7
 |
| 91 | 90 | a1i 11 |
. . . . . 6
   |
| 92 | | xpscfn 16219 |
. . . . . . 7
 
          |
| 93 | 20, 21, 92 | syl2anc 693 |
. . . . . 6
          |
| 94 | 16, 25 | eleqtrd 2703 |
. . . . . 6
             s           |
| 95 | 23, 88, 40, 39, 89, 91, 93, 1, 94 | prdsvscaval 16139 |
. . . . 5
        s                                                    |
| 96 | | xpscfn 16219 |
. . . . . . 7
    
         
     |
| 97 | 80, 82, 96 | syl2anc 693 |
. . . . . 6
        
     |
| 98 | | dffn5 6241 |
. . . . . 6
           
                    
         |
| 99 | 97, 98 | sylib 208 |
. . . . 5
        
            
         |
| 100 | 87, 95, 99 | 3eqtr4d 2666 |
. . . 4
        s                         
     |
| 101 | 100 | fveq2d 6195 |
. . 3
                      s                                               |
| 102 | | df-ov 6653 |
. . . . 5
     
                             
    |
| 103 | 5 | xpsfval 16227 |
. . . . . 6
    
                                 |
| 104 | 80, 82, 103 | syl2anc 693 |
. . . . 5
                                |
| 105 | 102, 104 | syl5eqr 2670 |
. . . 4
                  
                |
| 106 | | opelxpi 5148 |
. . . . . 6
    
             |
| 107 | 80, 82, 106 | syl2anc 693 |
. . . . 5
            |
| 108 | | f1ocnvfv 6534 |
. . . . 5
   
               
                 
   
                         
                                 
     |
| 109 | 11, 107, 108 | sylancr 695 |
. . . 4
                   
                                            
     |
| 110 | 105, 109 | mpd 15 |
. . 3
                               
    |
| 111 | 101, 110 | eqtrd 2656 |
. 2
                      s                            |
| 112 | 44, 48, 111 | 3eqtr3d 2664 |
1
               |