| Step | Hyp | Ref
| Expression |
| 1 | | 2nn0 11309 |
. . 3
 |
| 2 | | bpolyval 14780 |
. . 3
 
  BernPoly                    BernPoly           |
| 3 | 1, 2 | mpan 706 |
. 2
  BernPoly                    BernPoly           |
| 4 | | 2m1e1 11135 |
. . . . . . 7
   |
| 5 | | 0p1e1 11132 |
. . . . . . 7
   |
| 6 | 4, 5 | eqtr4i 2647 |
. . . . . 6
     |
| 7 | 6 | oveq2i 6661 |
. . . . 5
             |
| 8 | 7 | sumeq1i 14428 |
. . . 4
             BernPoly                     BernPoly         |
| 9 | | 0nn0 11307 |
. . . . . . . . 9
 |
| 10 | | nn0uz 11722 |
. . . . . . . . 9
     |
| 11 | 9, 10 | eleqtri 2699 |
. . . . . . . 8
     |
| 12 | 11 | a1i 11 |
. . . . . . 7
       |
| 13 | | 0z 11388 |
. . . . . . . . . . 11
 |
| 14 | | fzpr 12396 |
. . . . . . . . . . 11
              |
| 15 | 13, 14 | ax-mp 5 |
. . . . . . . . . 10
            |
| 16 | 15 | eleq2i 2693 |
. . . . . . . . 9
      
       |
| 17 | | vex 3203 |
. . . . . . . . . 10
 |
| 18 | 17 | elpr 4198 |
. . . . . . . . 9
     
      |
| 19 | 16, 18 | bitri 264 |
. . . . . . . 8
      
      |
| 20 | | oveq2 6658 |
. . . . . . . . . . . . 13
       |
| 21 | | bcn0 13097 |
. . . . . . . . . . . . . 14

    |
| 22 | 1, 21 | ax-mp 5 |
. . . . . . . . . . . . 13
   |
| 23 | 20, 22 | syl6eq 2672 |
. . . . . . . . . . . 12
     |
| 24 | | oveq1 6657 |
. . . . . . . . . . . . 13
  BernPoly   BernPoly    |
| 25 | | oveq2 6658 |
. . . . . . . . . . . . . . 15
       |
| 26 | 25 | oveq1d 6665 |
. . . . . . . . . . . . . 14
           |
| 27 | | 2cn 11091 |
. . . . . . . . . . . . . . . . 17
 |
| 28 | 27 | subid1i 10353 |
. . . . . . . . . . . . . . . 16
   |
| 29 | 28 | oveq1i 6660 |
. . . . . . . . . . . . . . 15
       |
| 30 | | df-3 11080 |
. . . . . . . . . . . . . . 15
   |
| 31 | 29, 30 | eqtr4i 2647 |
. . . . . . . . . . . . . 14
     |
| 32 | 26, 31 | syl6eq 2672 |
. . . . . . . . . . . . 13
       |
| 33 | 24, 32 | oveq12d 6668 |
. . . . . . . . . . . 12
   BernPoly
        BernPoly     |
| 34 | 23, 33 | oveq12d 6668 |
. . . . . . . . . . 11
      BernPoly           BernPoly      |
| 35 | | bpoly0 14781 |
. . . . . . . . . . . . . 14
  BernPoly    |
| 36 | 35 | oveq1d 6665 |
. . . . . . . . . . . . 13
   BernPoly
      |
| 37 | 36 | oveq2d 6666 |
. . . . . . . . . . . 12
    BernPoly          |
| 38 | | 3cn 11095 |
. . . . . . . . . . . . . 14
 |
| 39 | | 3ne0 11115 |
. . . . . . . . . . . . . 14
 |
| 40 | 38, 39 | reccli 10755 |
. . . . . . . . . . . . 13
   |
| 41 | 40 | mulid2i 10043 |
. . . . . . . . . . . 12
       |
| 42 | 37, 41 | syl6eq 2672 |
. . . . . . . . . . 11
    BernPoly        |
| 43 | 34, 42 | sylan9eqr 2678 |
. . . . . . . . . 10
 
      BernPoly            |
| 44 | 43, 40 | syl6eqel 2709 |
. . . . . . . . 9
 
      BernPoly          |
| 45 | 5 | eqeq2i 2634 |
. . . . . . . . . . . 12
  
  |
| 46 | | oveq2 6658 |
. . . . . . . . . . . . . 14
       |
| 47 | | bcn1 13100 |
. . . . . . . . . . . . . . 15

    |
| 48 | 1, 47 | ax-mp 5 |
. . . . . . . . . . . . . 14
   |
| 49 | 46, 48 | syl6eq 2672 |
. . . . . . . . . . . . 13
     |
| 50 | | oveq1 6657 |
. . . . . . . . . . . . . 14
  BernPoly   BernPoly    |
| 51 | | oveq2 6658 |
. . . . . . . . . . . . . . . 16
       |
| 52 | 51 | oveq1d 6665 |
. . . . . . . . . . . . . . 15
           |
| 53 | | ax-1cn 9994 |
. . . . . . . . . . . . . . . 16
 |
| 54 | | npcan 10290 |
. . . . . . . . . . . . . . . 16
 
       |
| 55 | 27, 53, 54 | mp2an 708 |
. . . . . . . . . . . . . . 15
     |
| 56 | 52, 55 | syl6eq 2672 |
. . . . . . . . . . . . . 14
       |
| 57 | 50, 56 | oveq12d 6668 |
. . . . . . . . . . . . 13
   BernPoly
        BernPoly     |
| 58 | 49, 57 | oveq12d 6668 |
. . . . . . . . . . . 12
      BernPoly           BernPoly      |
| 59 | 45, 58 | sylbi 207 |
. . . . . . . . . . 11
        BernPoly           BernPoly      |
| 60 | | bpoly1 14782 |
. . . . . . . . . . . . . 14
  BernPoly        |
| 61 | 60 | oveq1d 6665 |
. . . . . . . . . . . . 13
   BernPoly
          |
| 62 | 61 | oveq2d 6666 |
. . . . . . . . . . . 12
    BernPoly              |
| 63 | | halfcn 11247 |
. . . . . . . . . . . . . 14
   |
| 64 | | subcl 10280 |
. . . . . . . . . . . . . 14
           |
| 65 | 63, 64 | mpan2 707 |
. . . . . . . . . . . . 13
 
     |
| 66 | | 2ne0 11113 |
. . . . . . . . . . . . . 14
 |
| 67 | | divcan2 10693 |
. . . . . . . . . . . . . 14
     
               |
| 68 | 27, 66, 67 | mp3an23 1416 |
. . . . . . . . . . . . 13
                   |
| 69 | 65, 68 | syl 17 |
. . . . . . . . . . . 12
               |
| 70 | 62, 69 | eqtrd 2656 |
. . . . . . . . . . 11
    BernPoly          |
| 71 | 59, 70 | sylan9eqr 2678 |
. . . . . . . . . 10
 
        BernPoly              |
| 72 | 65 | adantr 481 |
. . . . . . . . . 10
 
         |
| 73 | 71, 72 | eqeltrd 2701 |
. . . . . . . . 9
 
        BernPoly          |
| 74 | 44, 73 | jaodan 826 |
. . . . . . . 8
            BernPoly          |
| 75 | 19, 74 | sylan2b 492 |
. . . . . . 7
 
            BernPoly          |
| 76 | 12, 75, 59 | fsump1 14487 |
. . . . . 6
              BernPoly         
          BernPoly           BernPoly       |
| 77 | 42, 40 | syl6eqel 2709 |
. . . . . . . . 9
    BernPoly      |
| 78 | 34 | fsum1 14476 |
. . . . . . . . 9
     BernPoly
               BernPoly           BernPoly      |
| 79 | 13, 77, 78 | sylancr 695 |
. . . . . . . 8
            BernPoly           BernPoly      |
| 80 | 79, 42 | eqtrd 2656 |
. . . . . . 7
            BernPoly            |
| 81 | 80, 70 | oveq12d 6668 |
. . . . . 6
             BernPoly           BernPoly               |
| 82 | 76, 81 | eqtrd 2656 |
. . . . 5
              BernPoly                  |
| 83 | | addsub12 10294 |
. . . . . . 7
   
                     |
| 84 | 40, 63, 83 | mp3an13 1415 |
. . . . . 6
                   |
| 85 | 63, 40 | negsubdi2i 10367 |
. . . . . . . 8
              |
| 86 | | halfthird 11685 |
. . . . . . . . 9
         |
| 87 | 86 | negeqi 10274 |
. . . . . . . 8
           |
| 88 | 85, 87 | eqtr3i 2646 |
. . . . . . 7
          |
| 89 | 88 | oveq2i 6661 |
. . . . . 6
              |
| 90 | 84, 89 | syl6eq 2672 |
. . . . 5
                |
| 91 | | 6cn 11102 |
. . . . . . 7
 |
| 92 | | 6re 11101 |
. . . . . . . 8
 |
| 93 | | 6pos 11119 |
. . . . . . . 8
 |
| 94 | 92, 93 | gt0ne0ii 10564 |
. . . . . . 7
 |
| 95 | 91, 94 | reccli 10755 |
. . . . . 6
   |
| 96 | | negsub 10329 |
. . . . . 6
                |
| 97 | 95, 96 | mpan2 707 |
. . . . 5
 
          |
| 98 | 82, 90, 97 | 3eqtrd 2660 |
. . . 4
              BernPoly              |
| 99 | 8, 98 | syl5eq 2668 |
. . 3
              BernPoly              |
| 100 | 99 | oveq2d 6666 |
. 2
                   BernPoly                     |
| 101 | | sqcl 12925 |
. . 3
       |
| 102 | | subsub 10311 |
. . . 4
     
        
                |
| 103 | 95, 102 | mp3an3 1413 |
. . 3
     
      
                |
| 104 | 101, 103 | mpancom 703 |
. 2
                       |
| 105 | 3, 100, 104 | 3eqtrd 2660 |
1
  BernPoly              |