| Step | Hyp | Ref
| Expression |
| 1 | | gsumresfi.f |
. . . . 5
       |
| 2 | | frel 5541 |
. . . . 5
       |
| 3 | | resdm 5104 |
. . . . 5

    |
| 4 | 1, 2, 3 | 3syl 17 |
. . . 4
     |
| 5 | 1 | fdmd 5543 |
. . . . 5
   |
| 6 | 5 | reseq2d 5065 |
. . . 4
       |
| 7 | 4, 6 | eqtr3d 2273 |
. . 3
     |
| 8 | 7 | oveq2d 6104 |
. 2
  g   g      |
| 9 | | ineq2 3426 |
. . . . . 6

      |
| 10 | 9 | reseq2d 5065 |
. . . . 5

    
     |
| 11 | 10 | oveq2d 6104 |
. . . 4

 g 
     g 
      |
| 12 | | reseq2 5060 |
. . . . 5

  
   |
| 13 | 12 | oveq2d 6104 |
. . . 4

 g 
   g 
    |
| 14 | 11, 13 | eqeq12d 2253 |
. . 3

  g       g 
   g       g 
     |
| 15 | | ineq2 3426 |
. . . . . 6
       |
| 16 | 15 | reseq2d 5065 |
. . . . 5
           |
| 17 | 16 | oveq2d 6104 |
. . . 4
  g       g 
      |
| 18 | | reseq2 5060 |
. . . . 5
       |
| 19 | 18 | oveq2d 6104 |
. . . 4
  g     g      |
| 20 | 17, 19 | eqeq12d 2253 |
. . 3
   g       g 
   g       g       |
| 21 | | ineq2 3426 |
. . . . . 6
               |
| 22 | 21 | reseq2d 5065 |
. . . . 5
      
  
         |
| 23 | 22 | oveq2d 6104 |
. . . 4
      g       g            |
| 24 | | reseq2 5060 |
. . . . 5
       
       |
| 25 | 24 | oveq2d 6104 |
. . . 4
      g     g          |
| 26 | 23, 25 | eqeq12d 2253 |
. . 3
       g 
     g 
   g           g 
         |
| 27 | | ineq2 3426 |
. . . . . 6
       |
| 28 | 27 | reseq2d 5065 |
. . . . 5
           |
| 29 | 28 | oveq2d 6104 |
. . . 4
  g       g 
      |
| 30 | | reseq2 5060 |
. . . . 5
       |
| 31 | 30 | oveq2d 6104 |
. . . 4
  g     g      |
| 32 | 29, 31 | eqeq12d 2253 |
. . 3
   g       g 
   g       g       |
| 33 | | in0 3557 |
. . . . . 6
   |
| 34 | 33 | reseq2i 5062 |
. . . . 5
       |
| 35 | 34 | oveq2i 6099 |
. . . 4
 g 
     g     |
| 36 | 35 | a1i 9 |
. . 3
  g       g      |
| 37 | | simpr 110 |
. . . . . . . . 9
   
 
     g 
     g 
    g       g 
    |
| 38 | 1 | ad2antrr 492 |
. . . . . . . . . . . 12
    
          |
| 39 | | inss2 3452 |
. . . . . . . . . . . . 13
   |
| 40 | | simprl 535 |
. . . . . . . . . . . . 13
    
      |
| 41 | 39, 40 | sstrid 3259 |
. . . . . . . . . . . 12
    
        |
| 42 | 38, 41 | feqresmpt 5760 |
. . . . . . . . . . 11
    
     
            |
| 43 | 42 | oveq2d 6104 |
. . . . . . . . . 10
    
     g       g            |
| 44 | 43 | adantr 276 |
. . . . . . . . 9
   
 
     g 
     g 
    g       g            |
| 45 | 37, 44 | eqtr3d 2273 |
. . . . . . . 8
   
 
     g 
     g 
    g     g            |
| 46 | 45 | oveq1d 6103 |
. . . . . . 7
   
 
     g 
     g 
     g                g                      |
| 47 | 46 | adantr 276 |
. . . . . 6
      
     g 
     g 
      g                g                      |
| 48 | | gsumresfi.b |
. . . . . . . . 9
     |
| 49 | | eqid 2238 |
. . . . . . . . 9
       |
| 50 | | gsumresfi.g |
. . . . . . . . . 10
 CMnd |
| 51 | 50 | ad2antrr 492 |
. . . . . . . . 9
    
    CMnd |
| 52 | | simplr 533 |
. . . . . . . . 9
    
      |
| 53 | 38 | adantr 276 |
. . . . . . . . . 10
   
 
           |
| 54 | 40 | sselda 3248 |
. . . . . . . . . 10
   
 
       |
| 55 | 53, 54 | ffvelcdmd 5847 |
. . . . . . . . 9
   
 
           |
| 56 | | simprr 537 |
. . . . . . . . . 10
    
        |
| 57 | 56 | eldifad 3231 |
. . . . . . . . 9
    
      |
| 58 | 56 | eldifbd 3232 |
. . . . . . . . 9
    
   
  |
| 59 | 38, 57 | ffvelcdmd 5847 |
. . . . . . . . 9
    
          |
| 60 | | fveq2 5698 |
. . . . . . . . . 10
           |
| 61 | 60 | adantl 277 |
. . . . . . . . 9
   
 
               |
| 62 | 48, 49, 51, 52, 55, 57, 58, 59, 61 | gsumunsnd 14260 |
. . . . . . . 8
    
     g              g                    |
| 63 | 57 | snssd 3860 |
. . . . . . . . . . 11
    
        |
| 64 | 40, 63 | unssd 3405 |
. . . . . . . . . 10
    
          |
| 65 | 38, 64 | feqresmpt 5760 |
. . . . . . . . 9
    
                      |
| 66 | 65 | oveq2d 6104 |
. . . . . . . 8
    
     g         g              |
| 67 | 38, 40 | feqresmpt 5760 |
. . . . . . . . . 10
    
              |
| 68 | 67 | oveq2d 6104 |
. . . . . . . . 9
    
     g     g          |
| 69 | 68 | oveq1d 6103 |
. . . . . . . 8
    
      g 
              g                    |
| 70 | 62, 66, 69 | 3eqtr4d 2281 |
. . . . . . 7
    
     g          g                |
| 71 | 70 | ad2antrr 492 |
. . . . . 6
      
     g 
     g 
     g          g 
              |
| 72 | | indi 3478 |
. . . . . . . . . . . 12
               |
| 73 | | snssi 3859 |
. . . . . . . . . . . . . 14
  
  |
| 74 | | dfss1 3435 |
. . . . . . . . . . . . . 14
           |
| 75 | 73, 74 | sylib 122 |
. . . . . . . . . . . . 13
         |
| 76 | 75 | uneq2d 3383 |
. . . . . . . . . . . 12
                 |
| 77 | 72, 76 | eqtrid 2283 |
. . . . . . . . . . 11
               |
| 78 | 77 | adantl 277 |
. . . . . . . . . 10
      
     g 
     g 
                  |
| 79 | 78 | reseq2d 5065 |
. . . . . . . . 9
      
     g 
     g 
                      |
| 80 | 41, 63 | unssd 3405 |
. . . . . . . . . . 11
    
            |
| 81 | 38, 80 | feqresmpt 5760 |
. . . . . . . . . 10
    
                          |
| 82 | 81 | ad2antrr 492 |
. . . . . . . . 9
      
     g 
     g 
                          |
| 83 | 79, 82 | eqtrd 2271 |
. . . . . . . 8
      
     g 
     g 
                          |
| 84 | 83 | oveq2d 6104 |
. . . . . . 7
      
     g 
     g 
     g           g                |
| 85 | | gsumresfi.w |
. . . . . . . . . . 11
   |
| 86 | 85 | ad2antrr 492 |
. . . . . . . . . 10
    
      |
| 87 | | gsumresfi.ss |
. . . . . . . . . . . 12

  |
| 88 | 87 | ad2antrr 492 |
. . . . . . . . . . 11
    
      |
| 89 | | gsumresfi.a |
. . . . . . . . . . . . 13
   |
| 90 | 89 | ad2antrr 492 |
. . . . . . . . . . . 12
    
      |
| 91 | | fissfi 7267 |
. . . . . . . . . . . 12
 
 
DECID
  |
| 92 | 40, 90, 52, 91 | syl3anc 1278 |
. . . . . . . . . . 11
    
     DECID   |
| 93 | | ssralv 3312 |
. . . . . . . . . . 11
  
DECID

DECID
   |
| 94 | 88, 92, 93 | sylc 62 |
. . . . . . . . . 10
    
     DECID   |
| 95 | | infidc 7252 |
. . . . . . . . . 10
   DECID      |
| 96 | 86, 94, 95 | syl2anc 415 |
. . . . . . . . 9
    
        |
| 97 | 38 | adantr 276 |
. . . . . . . . . 10
   
 
             |
| 98 | | elinel2 3416 |
. . . . . . . . . . 11
     |
| 99 | 98, 54 | sylan2 286 |
. . . . . . . . . 10
   
 
         |
| 100 | 97, 99 | ffvelcdmd 5847 |
. . . . . . . . 9
   
 
             |
| 101 | | elinel2 3416 |
. . . . . . . . . 10
     |
| 102 | 58, 101 | nsyl 637 |
. . . . . . . . 9
    
   

   |
| 103 | 48, 49, 51, 96, 100, 57, 102, 59, 61 | gsumunsnd 14260 |
. . . . . . . 8
    
     g                g                      |
| 104 | 103 | ad2antrr 492 |
. . . . . . 7
      
     g 
     g 
     g                g                      |
| 105 | 84, 104 | eqtrd 2271 |
. . . . . 6
      
     g 
     g 
     g            g                      |
| 106 | 47, 71, 105 | 3eqtr4rd 2282 |
. . . . 5
      
     g 
     g 
     g           g          |
| 107 | 51 | cmnmndd 14201 |
. . . . . . . 8
    
      |
| 108 | | gsumresfi.z |
. . . . . . . . 9
     |
| 109 | 38, 40 | fssresd 5569 |
. . . . . . . . 9
    
            |
| 110 | 48, 108, 51, 52, 109 | gsumclfi 14249 |
. . . . . . . 8
    
     g      |
| 111 | 48, 49, 108 | mndrid 13808 |
. . . . . . . 8
  
g    
  g         g      |
| 112 | 107, 110,
111 | syl2anc 415 |
. . . . . . 7
    
      g 
       g      |
| 113 | 112 | ad2antrr 492 |
. . . . . 6
      
     g 
     g 
  
   g         g      |
| 114 | 70 | ad2antrr 492 |
. . . . . . 7
      
     g 
     g 
  
  g          g 
              |
| 115 | | fveqeq2 5707 |
. . . . . . . . 9
     
      |
| 116 | | gsumresfi.s |
. . . . . . . . . 10
          |
| 117 | 116 | ad4antr 498 |
. . . . . . . . 9
      
     g 
     g 
  
          |
| 118 | 57 | ad2antrr 492 |
. . . . . . . . . 10
      
     g 
     g 
  
   |
| 119 | | simpr 110 |
. . . . . . . . . 10
      
     g 
     g 
  
   |
| 120 | 118, 119 | eldifd 3230 |
. . . . . . . . 9
      
     g 
     g 
  
     |
| 121 | 115, 117,
120 | rspcdva 2934 |
. . . . . . . 8
      
     g 
     g 
  
      |
| 122 | 121 | oveq2d 6104 |
. . . . . . 7
      
     g 
     g 
  
   g                g          |
| 123 | 114, 122 | eqtrd 2271 |
. . . . . 6
      
     g 
     g 
  
  g          g 
        |
| 124 | | disjsn 3771 |
. . . . . . . . . . . . 13
    
  |
| 125 | 124 | biimpri 133 |
. . . . . . . . . . . 12
       |
| 126 | 125 | uneq2d 3383 |
. . . . . . . . . . 11
               |
| 127 | | un0 3556 |
. . . . . . . . . . 11
       |
| 128 | 126, 127 | eqtrdi 2287 |
. . . . . . . . . 10
             |
| 129 | 72, 128 | eqtrid 2283 |
. . . . . . . . 9
           |
| 130 | 129 | reseq2d 5065 |
. . . . . . . 8
         
     |
| 131 | 130 | oveq2d 6104 |
. . . . . . 7
  g           g        |
| 132 | 131, 37 | sylan9eqr 2293 |
. . . . . 6
      
     g 
     g 
  
  g           g      |
| 133 | 113, 123,
132 | 3eqtr4rd 2282 |
. . . . 5
      
     g 
     g 
  
  g           g          |
| 134 | | eleq1w 2299 |
. . . . . . . . 9
 
   |
| 135 | 134 | dcbid 850 |
. . . . . . . 8
 DECID
DECID
   |
| 136 | | fissfi 7267 |
. . . . . . . . . 10
 
 
DECID
  |
| 137 | 87, 89, 85, 136 | syl3anc 1278 |
. . . . . . . . 9
  DECID   |
| 138 | 137 | ad2antrr 492 |
. . . . . . . 8
    
     DECID   |
| 139 | 135, 138,
57 | rspcdva 2934 |
. . . . . . 7
    
    DECID   |
| 140 | 139 | adantr 276 |
. . . . . 6
   
 
     g 
     g 
  
DECID
  |
| 141 | | exmiddc 848 |
. . . . . 6
DECID

   |
| 142 | 140, 141 | syl 14 |
. . . . 5
   
 
     g 
     g 
   
   |
| 143 | 106, 133,
142 | mpjaodan 810 |
. . . 4
   
 
     g 
     g 
    g           g          |
| 144 | 143 | ex 115 |
. . 3
    
      g 
     g 
 
 g 
         g           |
| 145 | 14, 20, 26, 32, 36, 144, 89 | findcard2sd 7200 |
. 2
  g       g 
    |
| 146 | | df-ss 3233 |
. . . . 5

    |
| 147 | 87, 146 | sylib 122 |
. . . 4
     |
| 148 | 147 | reseq2d 5065 |
. . 3
         |
| 149 | 148 | oveq2d 6104 |
. 2
  g       g 
    |
| 150 | 8, 145, 149 | 3eqtr2rd 2278 |
1
  g     g    |