| Step | Hyp | Ref
| Expression |
| 1 | | gsump1.fi |
. . 3
   |
| 2 | | fzf1o 12120 |
. . 3
       ♯       |
| 3 | 1, 2 | syl 14 |
. 2
       ♯       |
| 4 | | gsump1.b |
. . . . 5
     |
| 5 | | gsump1.g |
. . . . . 6
 CMnd |
| 6 | 5 | adantr 276 |
. . . . 5
 
     ♯      CMnd |
| 7 | | gsump1.f |
. . . . . 6
           |
| 8 | 7 | adantr 276 |
. . . . 5
 
     ♯                |
| 9 | | gsump1.zv |
. . . . . . 7
   |
| 10 | | gsump1.z |
. . . . . . 7
   |
| 11 | | unsnfi 7216 |
. . . . . . 7
 

      |
| 12 | 1, 9, 10, 11 | syl3anc 1278 |
. . . . . 6
       |
| 13 | 12 | adantr 276 |
. . . . 5
 
     ♯            |
| 14 | | simpr 110 |
. . . . . . 7
 
     ♯           ♯       |
| 15 | | hashcl 11198 |
. . . . . . . . . . 11
 ♯    |
| 16 | 1, 15 | syl 14 |
. . . . . . . . . 10
 ♯    |
| 17 | | peano2nn0 9582 |
. . . . . . . . . 10
 ♯   ♯     |
| 18 | 16, 17 | syl 14 |
. . . . . . . . 9
  ♯     |
| 19 | | f1osng 5677 |
. . . . . . . . 9
   ♯  
    ♯          ♯          |
| 20 | 18, 9, 19 | syl2anc 415 |
. . . . . . . 8
    ♯          ♯          |
| 21 | 20 | adantr 276 |
. . . . . . 7
 
     ♯         ♯          ♯          |
| 22 | | fzp1disj 10465 |
. . . . . . . 8
    ♯     ♯      |
| 23 | 22 | a1i 9 |
. . . . . . 7
 
     ♯          ♯     ♯       |
| 24 | | disjsn 3767 |
. . . . . . . . 9
    
  |
| 25 | 10, 24 | sylibr 134 |
. . . . . . . 8
       |
| 26 | 25 | adantr 276 |
. . . . . . 7
 
     ♯            |
| 27 | | f1oun 5654 |
. . . . . . 7
        ♯        ♯          ♯              ♯     ♯               ♯             ♯     ♯             |
| 28 | 14, 21, 23, 26, 27 | syl22anc 1279 |
. . . . . 6
 
     ♯          ♯             ♯     ♯             |
| 29 | 1, 10 | jca 306 |
. . . . . . . . . . 11
     |
| 30 | | hashunsng 11226 |
. . . . . . . . . . 11
   
♯ 
     ♯      |
| 31 | 9, 29, 30 | sylc 62 |
. . . . . . . . . 10
 ♯       ♯     |
| 32 | 31 | oveq2d 6091 |
. . . . . . . . 9
    ♯           ♯      |
| 33 | | 1z 9649 |
. . . . . . . . . 10
 |
| 34 | | nn0uz 9936 |
. . . . . . . . . . . 12
     |
| 35 | | 1m1e0 9352 |
. . . . . . . . . . . . 13
   |
| 36 | 35 | fveq2i 5693 |
. . . . . . . . . . . 12
           |
| 37 | 34, 36 | eqtr4i 2262 |
. . . . . . . . . . 11
       |
| 38 | 16, 37 | eleqtrdi 2331 |
. . . . . . . . . 10
 ♯          |
| 39 | | fzsuc2 10464 |
. . . . . . . . . 10
  ♯        
    ♯        ♯     ♯       |
| 40 | 33, 38, 39 | sylancr 418 |
. . . . . . . . 9
     ♯        ♯     ♯       |
| 41 | 32, 40 | eqtrd 2271 |
. . . . . . . 8
    ♯           ♯     ♯       |
| 42 | 41 | adantr 276 |
. . . . . . 7
 
     ♯         ♯           ♯     ♯       |
| 43 | 42 | f1oeq2d 5630 |
. . . . . 6
 
     ♯           ♯            ♯ 
          
    ♯             ♯     ♯              |
| 44 | 28, 43 | mpbird 167 |
. . . . 5
 
     ♯          ♯            ♯               |
| 45 | 4, 6, 8, 13, 44 | gsumvalfi 14129 |
. . . 4
 
     ♯       g   gz      ♯           |
| 46 | | gsump1.p |
. . . . 5
    |
| 47 | 5 | cmnmndd 14088 |
. . . . . 6
   |
| 48 | 47 | adantr 276 |
. . . . 5
 
     ♯        |
| 49 | | 1zzd 9650 |
. . . . 5
 
     ♯        |
| 50 | 38 | adantr 276 |
. . . . 5
 
     ♯      ♯          |
| 51 | 40 | adantr 276 |
. . . . . . . . 9
 
     ♯          ♯        ♯     ♯       |
| 52 | 51 | f1oeq2d 5630 |
. . . . . . . 8
 
     ♯           ♯             ♯         
    ♯             ♯     ♯              |
| 53 | 28, 52 | mpbird 167 |
. . . . . . 7
 
     ♯          ♯             ♯            |
| 54 | | f1of 5634 |
. . . . . . 7
     ♯             ♯         
    ♯             ♯            |
| 55 | 53, 54 | syl 14 |
. . . . . 6
 
     ♯          ♯             ♯            |
| 56 | 8, 55 | fcod 5548 |
. . . . 5
 
     ♯       
   ♯              ♯        |
| 57 | 4, 46, 48, 49, 50, 56 | gzsumsplit0 14125 |
. . . 4
 
     ♯       gz      ♯           gz   
   ♯           ♯           ♯           ♯       |
| 58 | 45, 57 | eqtrd 2271 |
. . 3
 
     ♯       g    gz   
   ♯           ♯           ♯           ♯       |
| 59 | | resco 5287 |
. . . . . . . . . 10
      ♯           ♯          ♯          ♯      |
| 60 | | resundir 5072 |
. . . . . . . . . . . 12
     ♯          ♯         ♯        ♯         ♯      |
| 61 | 22 | ineqcomi 3423 |
. . . . . . . . . . . . . . 15
   ♯       ♯     |
| 62 | | fnsng 5423 |
. . . . . . . . . . . . . . . . 17
   ♯  
    ♯        ♯      |
| 63 | 18, 9, 62 | syl2anc 415 |
. . . . . . . . . . . . . . . 16
    ♯        ♯      |
| 64 | | fnresdisj 5488 |
. . . . . . . . . . . . . . . 16
    ♯        ♯   
    ♯       ♯        ♯     
   ♯       |
| 65 | 63, 64 | syl 14 |
. . . . . . . . . . . . . . 15
     ♯       ♯        ♯         ♯       |
| 66 | 61, 65 | mpbii 148 |
. . . . . . . . . . . . . 14
     ♯     
   ♯      |
| 67 | 66 | uneq2d 3383 |
. . . . . . . . . . . . 13
      ♯        ♯         ♯          ♯       |
| 68 | | un0 3556 |
. . . . . . . . . . . . 13
 
   ♯    
    ♯     |
| 69 | 67, 68 | eqtrdi 2287 |
. . . . . . . . . . . 12
      ♯        ♯         ♯         ♯      |
| 70 | 60, 69 | eqtrid 2283 |
. . . . . . . . . . 11
      ♯          ♯        ♯      |
| 71 | 70 | coeq2d 4937 |
. . . . . . . . . 10
       ♯          ♯          ♯       |
| 72 | 59, 71 | eqtrid 2283 |
. . . . . . . . 9
   
   ♯           ♯     
   ♯       |
| 73 | 72 | adantr 276 |
. . . . . . . 8
 
     ♯            ♯       
   ♯         ♯       |
| 74 | | f1ofn 5635 |
. . . . . . . . . . 11
      ♯        ♯     |
| 75 | | fnresdm 5487 |
. . . . . . . . . . 11
    ♯  
    ♯      |
| 76 | 74, 75 | syl 14 |
. . . . . . . . . 10
      ♯         ♯      |
| 77 | 76 | adantl 277 |
. . . . . . . . 9
 
     ♯          ♯      |
| 78 | 77 | coeq2d 4937 |
. . . . . . . 8
 
     ♯       
   ♯         |
| 79 | 73, 78 | eqtrd 2271 |
. . . . . . 7
 
     ♯            ♯       
   ♯        |
| 80 | | f1of 5634 |
. . . . . . . . . 10
      ♯          ♯       |
| 81 | 80 | adantl 277 |
. . . . . . . . 9
 
     ♯           ♯       |
| 82 | 81 | frnd 5538 |
. . . . . . . 8
 
     ♯     
  |
| 83 | | cores 5286 |
. . . . . . . 8

        |
| 84 | 82, 83 | syl 14 |
. . . . . . 7
 
     ♯              |
| 85 | 79, 84 | eqtr4d 2274 |
. . . . . 6
 
     ♯            ♯       
   ♯          |
| 86 | 85 | oveq2d 6091 |
. . . . 5
 
     ♯       gz       ♯           ♯      gz        |
| 87 | | ssun1 3392 |
. . . . . . . . 9

    |
| 88 | 87 | a1i 9 |
. . . . . . . 8

      |
| 89 | 7, 88 | fssresd 5561 |
. . . . . . 7
         |
| 90 | 89 | adantr 276 |
. . . . . 6
 
     ♯              |
| 91 | 1 | adantr 276 |
. . . . . 6
 
     ♯        |
| 92 | 4, 6, 90, 91, 14 | gsumvalfi 14129 |
. . . . 5
 
     ♯       g     gz        |
| 93 | 86, 92 | eqtr4d 2274 |
. . . 4
 
     ♯       gz       ♯           ♯      g 
    |
| 94 | | nn0p1nn 9581 |
. . . . . . . . . 10
 ♯   ♯     |
| 95 | 16, 94 | syl 14 |
. . . . . . . . 9
  ♯     |
| 96 | | nnuz 9937 |
. . . . . . . . 9
     |
| 97 | 95, 96 | eleqtrdi 2331 |
. . . . . . . 8
  ♯         |
| 98 | | eluzfz2 10415 |
. . . . . . . 8
  ♯        ♯       ♯      |
| 99 | 97, 98 | syl 14 |
. . . . . . 7
  ♯       ♯      |
| 100 | 99 | adantr 276 |
. . . . . 6
 
     ♯       ♯       ♯      |
| 101 | | fvco3 5770 |
. . . . . 6
      ♯             ♯           ♯       ♯           ♯           ♯            ♯          ♯       |
| 102 | 55, 100, 101 | syl2anc 415 |
. . . . 5
 
     ♯            ♯           ♯            ♯          ♯       |
| 103 | 74 | adantl 277 |
. . . . . . . 8
 
     ♯         ♯     |
| 104 | 63 | adantr 276 |
. . . . . . . 8
 
     ♯         ♯        ♯      |
| 105 | 18 | adantr 276 |
. . . . . . . . . 10
 
     ♯       ♯     |
| 106 | | snidg 3734 |
. . . . . . . . . 10
  ♯    ♯     ♯      |
| 107 | 105, 106 | syl 14 |
. . . . . . . . 9
 
     ♯       ♯     ♯      |
| 108 | 23, 107 | jca 306 |
. . . . . . . 8
 
     ♯           ♯     ♯      ♯     ♯       |
| 109 | | fvun2 5764 |
. . . . . . . 8
     ♯      ♯        ♯         ♯     ♯      ♯     ♯           ♯          ♯        ♯         ♯      |
| 110 | 103, 104,
108, 109 | syl3anc 1278 |
. . . . . . 7
 
     ♯           ♯          ♯        ♯         ♯      |
| 111 | 9 | adantr 276 |
. . . . . . . 8
 
     ♯        |
| 112 | | fvsng 5902 |
. . . . . . . 8
   ♯  
     ♯         ♯      |
| 113 | 105, 111,
112 | syl2anc 415 |
. . . . . . 7
 
     ♯          ♯         ♯      |
| 114 | 110, 113 | eqtrd 2271 |
. . . . . 6
 
     ♯           ♯          ♯      |
| 115 | 114 | fveq2d 5694 |
. . . . 5
 
     ♯              ♯          ♯           |
| 116 | 102, 115 | eqtrd 2271 |
. . . 4
 
     ♯            ♯           ♯          |
| 117 | 93, 116 | oveq12d 6093 |
. . 3
 
     ♯        gz   
   ♯           ♯           ♯           ♯       g           |
| 118 | 58, 117 | eqtrd 2271 |
. 2
 
     ♯       g    g 
         |
| 119 | 3, 118 | exlimddv 1954 |
1
  g    g           |