| Step | Hyp | Ref
| Expression |
| 1 | | dvhgrp.h |
. . . . 5
     |
| 2 | | dvhgrp.t |
. . . . 5
         |
| 3 | | dvhgrp.e |
. . . . 5
         |
| 4 | | dvhgrp.u |
. . . . 5
         |
| 5 | | eqid 2622 |
. . . . 5
         |
| 6 | 1, 2, 3, 4, 5 | dvhvbase 36376 |
. . . 4
 
         |
| 7 | 6 | eqcomd 2628 |
. . 3
 
         |
| 8 | | dvhgrp.a |
. . . 4
    |
| 9 | 8 | a1i 11 |
. . 3
 
      |
| 10 | | dvhgrp.d |
. . . 4
Scalar   |
| 11 | 10 | a1i 11 |
. . 3
 
 Scalar    |
| 12 | | dvhlvec.s |
. . . 4
     |
| 13 | 12 | a1i 11 |
. . 3
 
       |
| 14 | | eqid 2622 |
. . . . 5
         |
| 15 | 1, 3, 4, 10, 14 | dvhbase 36372 |
. . . 4
 
       |
| 16 | 15 | eqcomd 2628 |
. . 3
 
       |
| 17 | | dvhgrp.p |
. . . 4
    |
| 18 | 17 | a1i 11 |
. . 3
 
      |
| 19 | | dvhlvec.m |
. . . 4
     |
| 20 | 19 | a1i 11 |
. . 3
 
       |
| 21 | | eqid 2622 |
. . . . . 6
                 |
| 22 | 1, 21, 4, 10 | dvhsca 36371 |
. . . . 5
 
           |
| 23 | 22 | fveq2d 6195 |
. . . 4
 
                   |
| 24 | | eqid 2622 |
. . . . 5
                         |
| 25 | 1, 2, 21, 24 | erng1r 36283 |
. . . 4
 
                |
| 26 | 23, 25 | eqtr2d 2657 |
. . 3
 
        |
| 27 | 1, 21 | erngdv 36281 |
. . . . 5
 
           |
| 28 | 22, 27 | eqeltrd 2701 |
. . . 4
 
   |
| 29 | | drngring 18754 |
. . . 4
   |
| 30 | 28, 29 | syl 17 |
. . 3
 
   |
| 31 | | dvhgrp.b |
. . . 4
     |
| 32 | | dvhgrp.o |
. . . 4
     |
| 33 | | dvhgrp.i |
. . . 4
      |
| 34 | 31, 1, 2, 3, 4, 10,
17, 8, 32, 33 | dvhgrp 36396 |
. . 3
 
   |
| 35 | 1, 2, 3, 4, 12 | dvhvscacl 36392 |
. . . 4
               |
| 36 | 35 | 3impb 1260 |
. . 3
   
         |
| 37 | | simpl 473 |
. . . . . . 7
      

       |
| 38 | | simpr1 1067 |
. . . . . . 7
      

     |
| 39 | | simpr2 1068 |
. . . . . . . 8
      

       |
| 40 | | xp1st 7198 |
. . . . . . . 8
         |
| 41 | 39, 40 | syl 17 |
. . . . . . 7
      

         |
| 42 | | simpr3 1069 |
. . . . . . . 8
      

       |
| 43 | | xp1st 7198 |
. . . . . . . 8
         |
| 44 | 42, 43 | syl 17 |
. . . . . . 7
      

         |
| 45 | 1, 2, 3 | tendospdi1 36309 |
. . . . . . 7
              
                                  |
| 46 | 37, 38, 41, 44, 45 | syl13anc 1328 |
. . . . . 6
      

                                     |
| 47 | 1, 2, 3, 4, 10, 8,
17 | dvhvadd 36381 |
. . . . . . . . . 10
      

                              |
| 48 | 47 | 3adantr1 1220 |
. . . . . . . . 9
      

                              |
| 49 | 48 | fveq2d 6195 |
. . . . . . . 8
      

      
                               |
| 50 | | fvex 6201 |
. . . . . . . . . 10
     |
| 51 | | fvex 6201 |
. . . . . . . . . 10
     |
| 52 | 50, 51 | coex 7118 |
. . . . . . . . 9
           |
| 53 | | ovex 6678 |
. . . . . . . . 9
           |
| 54 | 52, 53 | op1st 7176 |
. . . . . . . 8
                                      |
| 55 | 49, 54 | syl6eq 2672 |
. . . . . . 7
      

      
              |
| 56 | 55 | fveq2d 6195 |
. . . . . 6
      

                             |
| 57 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . . . . . . 10
                              |
| 58 | 57 | 3adantr3 1222 |
. . . . . . . . 9
      

                        |
| 59 | 58 | fveq2d 6195 |
. . . . . . . 8
      

      
                         |
| 60 | | fvex 6201 |
. . . . . . . . 9
         |
| 61 | | vex 3203 |
. . . . . . . . . 10
 |
| 62 | | fvex 6201 |
. . . . . . . . . 10
     |
| 63 | 61, 62 | coex 7118 |
. . . . . . . . 9
       |
| 64 | 60, 63 | op1st 7176 |
. . . . . . . 8
                              |
| 65 | 59, 64 | syl6eq 2672 |
. . . . . . 7
      

      
            |
| 66 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . . . . . . 10
                              |
| 67 | 66 | 3adantr2 1221 |
. . . . . . . . 9
      

                        |
| 68 | 67 | fveq2d 6195 |
. . . . . . . 8
      

      
                         |
| 69 | | fvex 6201 |
. . . . . . . . 9
         |
| 70 | | fvex 6201 |
. . . . . . . . . 10
     |
| 71 | 61, 70 | coex 7118 |
. . . . . . . . 9
       |
| 72 | 69, 71 | op1st 7176 |
. . . . . . . 8
                              |
| 73 | 68, 72 | syl6eq 2672 |
. . . . . . 7
      

      
            |
| 74 | 65, 73 | coeq12d 5286 |
. . . . . 6
      

       
                             |
| 75 | 46, 56, 74 | 3eqtr4d 2666 |
. . . . 5
      

                             |
| 76 | 30 | adantr 481 |
. . . . . . . 8
      

  
  |
| 77 | 16 | adantr 481 |
. . . . . . . . 9
      

  
      |
| 78 | 38, 77 | eleqtrd 2703 |
. . . . . . . 8
      

         |
| 79 | | xp2nd 7199 |
. . . . . . . . . 10
         |
| 80 | 39, 79 | syl 17 |
. . . . . . . . 9
      

         |
| 81 | 80, 77 | eleqtrd 2703 |
. . . . . . . 8
      

             |
| 82 | | xp2nd 7199 |
. . . . . . . . . 10
         |
| 83 | 42, 82 | syl 17 |
. . . . . . . . 9
      

         |
| 84 | 83, 77 | eleqtrd 2703 |
. . . . . . . 8
      

             |
| 85 | 14, 17, 19 | ringdi 18566 |
. . . . . . . 8
              
          
                           |
| 86 | 76, 78, 81, 84, 85 | syl13anc 1328 |
. . . . . . 7
      

                     
         |
| 87 | 14, 17 | ringacl 18578 |
. . . . . . . . . 10
         
        
                |
| 88 | 76, 81, 84, 87 | syl3anc 1326 |
. . . . . . . . 9
      

                   |
| 89 | 88, 77 | eleqtrrd 2704 |
. . . . . . . 8
      

               |
| 90 | 1, 2, 3, 4, 10, 19 | dvhmulr 36375 |
. . . . . . . 8
                 
                         |
| 91 | 37, 38, 89, 90 | syl12anc 1324 |
. . . . . . 7
      

                             |
| 92 | 1, 2, 3, 4, 10, 19 | dvhmulr 36375 |
. . . . . . . . 9
           
             |
| 93 | 37, 38, 80, 92 | syl12anc 1324 |
. . . . . . . 8
      

                 |
| 94 | 1, 2, 3, 4, 10, 19 | dvhmulr 36375 |
. . . . . . . . 9
           
             |
| 95 | 37, 38, 83, 94 | syl12anc 1324 |
. . . . . . . 8
      

                 |
| 96 | 93, 95 | oveq12d 6668 |
. . . . . . 7
      

         
                       |
| 97 | 86, 91, 96 | 3eqtr3d 2664 |
. . . . . 6
      

                               |
| 98 | 48 | fveq2d 6195 |
. . . . . . . 8
      

      
                               |
| 99 | 52, 53 | op2nd 7177 |
. . . . . . . 8
                                      |
| 100 | 98, 99 | syl6eq 2672 |
. . . . . . 7
      

      
              |
| 101 | 100 | coeq2d 5284 |
. . . . . 6
      

                         |
| 102 | 58 | fveq2d 6195 |
. . . . . . . 8
      

      
                         |
| 103 | 60, 63 | op2nd 7177 |
. . . . . . . 8
                            |
| 104 | 102, 103 | syl6eq 2672 |
. . . . . . 7
      

      
          |
| 105 | 67 | fveq2d 6195 |
. . . . . . . 8
      

      
                         |
| 106 | 69, 71 | op2nd 7177 |
. . . . . . . 8
                            |
| 107 | 105, 106 | syl6eq 2672 |
. . . . . . 7
      

      
          |
| 108 | 104, 107 | oveq12d 6668 |
. . . . . 6
      

       
     
                   |
| 109 | 97, 101, 108 | 3eqtr4d 2666 |
. . . . 5
      

                           |
| 110 | 75, 109 | opeq12d 4410 |
. . . 4
      

                   
         
              
     
      |
| 111 | 1, 2, 3, 4, 10, 17, 8 | dvhvaddcl 36384 |
. . . . . 6
      

         |
| 112 | 111 | 3adantr1 1220 |
. . . . 5
      

         |
| 113 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . 5
            
                         |
| 114 | 37, 38, 112, 113 | syl12anc 1324 |
. . . 4
      

    
                         |
| 115 | 35 | 3adantr3 1222 |
. . . . 5
      

         |
| 116 | 1, 2, 3, 4, 12 | dvhvscacl 36392 |
. . . . . 6
               |
| 117 | 116 | 3adantr2 1221 |
. . . . 5
      

         |
| 118 | 1, 2, 3, 4, 10, 8,
17 | dvhvadd 36381 |
. . . . 5
        
        
        
              
     
      |
| 119 | 37, 115, 117, 118 | syl12anc 1324 |
. . . 4
      

      
       
              
     
      |
| 120 | 110, 114,
119 | 3eqtr4d 2666 |
. . 3
      

    
          |
| 121 | | simpl 473 |
. . . . . . 7
             |
| 122 | | simpr1 1067 |
. . . . . . 7
           |
| 123 | | simpr2 1068 |
. . . . . . 7
           |
| 124 | | simpr3 1069 |
. . . . . . . 8
             |
| 125 | 124, 43 | syl 17 |
. . . . . . 7
               |
| 126 | | eqid 2622 |
. . . . . . . 8
                       |
| 127 | 1, 2, 3, 21, 126 | erngplus2 36092 |
. . . . . . 7
                                                      |
| 128 | 121, 122,
123, 125, 127 | syl13anc 1328 |
. . . . . 6
                                                    |
| 129 | 22 | fveq2d 6195 |
. . . . . . . . . 10
 
                 |
| 130 | 17, 129 | syl5eq 2668 |
. . . . . . . . 9
 
              |
| 131 | 130 | oveqd 6667 |
. . . . . . . 8
 
                    |
| 132 | 131 | fveq1d 6193 |
. . . . . . 7
 
                                    |
| 133 | 132 | adantr 481 |
. . . . . 6
                                            |
| 134 | 66 | 3adantr2 1221 |
. . . . . . . . 9
                              |
| 135 | 134 | fveq2d 6195 |
. . . . . . . 8
            
                         |
| 136 | 135, 72 | syl6eq 2672 |
. . . . . . 7
            
            |
| 137 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . . . . . . 10
                              |
| 138 | 137 | 3adantr1 1220 |
. . . . . . . . 9
                              |
| 139 | 138 | fveq2d 6195 |
. . . . . . . 8
            
                         |
| 140 | | fvex 6201 |
. . . . . . . . 9
         |
| 141 | | vex 3203 |
. . . . . . . . . 10
 |
| 142 | 141, 70 | coex 7118 |
. . . . . . . . 9
       |
| 143 | 140, 142 | op1st 7176 |
. . . . . . . 8
                              |
| 144 | 139, 143 | syl6eq 2672 |
. . . . . . 7
            
            |
| 145 | 136, 144 | coeq12d 5286 |
. . . . . 6
             
                             |
| 146 | 128, 133,
145 | 3eqtr4d 2666 |
. . . . 5
                                   |
| 147 | 30 | adantr 481 |
. . . . . . . 8
        
  |
| 148 | 16 | adantr 481 |
. . . . . . . . 9
        
      |
| 149 | 122, 148 | eleqtrd 2703 |
. . . . . . . 8
               |
| 150 | 123, 148 | eleqtrd 2703 |
. . . . . . . 8
               |
| 151 | 124, 82 | syl 17 |
. . . . . . . . 9
               |
| 152 | 151, 148 | eleqtrd 2703 |
. . . . . . . 8
                   |
| 153 | 14, 17, 19 | ringdir 18567 |
. . . . . . . 8
          
                                  |
| 154 | 147, 149,
150, 152, 153 | syl13anc 1328 |
. . . . . . 7
                                 |
| 155 | 14, 17 | ringacl 18578 |
. . . . . . . . . 10
     
    
        |
| 156 | 147, 149,
150, 155 | syl3anc 1326 |
. . . . . . . . 9
                 |
| 157 | 156, 148 | eleqtrrd 2704 |
. . . . . . . 8
             |
| 158 | 1, 2, 3, 4, 10, 19 | dvhmulr 36375 |
. . . . . . . 8
                               |
| 159 | 121, 157,
151, 158 | syl12anc 1324 |
. . . . . . 7
                           |
| 160 | 121, 122,
151, 94 | syl12anc 1324 |
. . . . . . . 8
                       |
| 161 | 1, 2, 3, 4, 10, 19 | dvhmulr 36375 |
. . . . . . . . 9
           
             |
| 162 | 121, 123,
151, 161 | syl12anc 1324 |
. . . . . . . 8
                       |
| 163 | 160, 162 | oveq12d 6668 |
. . . . . . 7
               
                       |
| 164 | 154, 159,
163 | 3eqtr3d 2664 |
. . . . . 6
                                 |
| 165 | 134 | fveq2d 6195 |
. . . . . . . 8
            
                         |
| 166 | 165, 106 | syl6eq 2672 |
. . . . . . 7
            
          |
| 167 | 138 | fveq2d 6195 |
. . . . . . . 8
            
                         |
| 168 | 140, 142 | op2nd 7177 |
. . . . . . . 8
                            |
| 169 | 167, 168 | syl6eq 2672 |
. . . . . . 7
            
          |
| 170 | 166, 169 | oveq12d 6668 |
. . . . . 6
             
     
                   |
| 171 | 164, 170 | eqtr4d 2659 |
. . . . 5
                                 |
| 172 | 146, 171 | opeq12d 4410 |
. . . 4
                                   
              
     
      |
| 173 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . 5
                                      |
| 174 | 121, 157,
124, 173 | syl12anc 1324 |
. . . 4
                                    |
| 175 | 116 | 3adantr2 1221 |
. . . . 5
               |
| 176 | 1, 2, 3, 4, 12 | dvhvscacl 36392 |
. . . . . 6
               |
| 177 | 176 | 3adantr1 1220 |
. . . . 5
               |
| 178 | 1, 2, 3, 4, 10, 8,
17 | dvhvadd 36381 |
. . . . 5
        
        
        
              
     
      |
| 179 | 121, 175,
177, 178 | syl12anc 1324 |
. . . 4
            
       
              
     
      |
| 180 | 172, 174,
179 | 3eqtr4d 2666 |
. . 3
                     |
| 181 | 1, 2, 3 | tendocoval 36054 |
. . . . . . 7
                                   |
| 182 | 121, 122,
123, 125, 181 | syl121anc 1331 |
. . . . . 6
                                 |
| 183 | | coass 5654 |
. . . . . . 7
                 |
| 184 | 183 | a1i 11 |
. . . . . 6
                           |
| 185 | 182, 184 | opeq12d 4410 |
. . . . 5
                                                       |
| 186 | 1, 3 | tendococl 36060 |
. . . . . . 7
   

    |
| 187 | 121, 122,
123, 186 | syl3anc 1326 |
. . . . . 6
             |
| 188 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . . 6
                                      |
| 189 | 121, 187,
124, 188 | syl12anc 1324 |
. . . . 5
                                    |
| 190 | 1, 2, 3 | tendocl 36055 |
. . . . . . 7
                   |
| 191 | 121, 123,
125, 190 | syl3anc 1326 |
. . . . . 6
                   |
| 192 | 1, 3 | tendococl 36060 |
. . . . . . 7
                 |
| 193 | 121, 123,
151, 192 | syl3anc 1326 |
. . . . . 6
                 |
| 194 | 1, 2, 3, 4, 12 | dvhopvsca 36391 |
. . . . . 6
                                                                 |
| 195 | 121, 122,
191, 193, 194 | syl13anc 1328 |
. . . . 5
                           
                         |
| 196 | 185, 189,
195 | 3eqtr4d 2666 |
. . . 4
                                  |
| 197 | 1, 2, 3, 4, 10, 19 | dvhmulr 36375 |
. . . . . 6
             |
| 198 | 197 | 3adantr3 1222 |
. . . . 5
               |
| 199 | 198 | oveq1d 6665 |
. . . 4
                   |
| 200 | 138 | oveq2d 6666 |
. . . 4
          
                       |
| 201 | 196, 199,
200 | 3eqtr4d 2666 |
. . 3
                   |
| 202 | | xp1st 7198 |
. . . . . . 7
         |
| 203 | 202 | adantl 482 |
. . . . . 6
      
      |
| 204 | | tendospid 36306 |
. . . . . 6
                    |
| 205 | 203, 204 | syl 17 |
. . . . 5
      
               |
| 206 | | xp2nd 7199 |
. . . . . . 7
         |
| 207 | 1, 2, 3 | tendof 36051 |
. . . . . . 7
                   |
| 208 | 206, 207 | sylan2 491 |
. . . . . 6
      
          |
| 209 | | fcoi2 6079 |
. . . . . 6
                      |
| 210 | 208, 209 | syl 17 |
. . . . 5
      
             |
| 211 | 205, 210 | opeq12d 4410 |
. . . 4
      
 
                              |
| 212 | 1, 2, 3 | tendoidcl 36057 |
. . . . . 6
 
    |
| 213 | 212 | anim1i 592 |
. . . . 5
      
       |
| 214 | 1, 2, 3, 4, 12 | dvhvsca 36390 |
. . . . 5
     
   
                        |
| 215 | 213, 214 | syldan 487 |
. . . 4
      
                        |
| 216 | | 1st2nd2 7205 |
. . . . 5
                |
| 217 | 216 | adantl 482 |
. . . 4
      
             |
| 218 | 211, 215,
217 | 3eqtr4d 2666 |
. . 3
      
     |
| 219 | 7, 9, 11, 13, 16, 18, 20, 26, 30, 34, 36, 120, 180, 201, 218 | islmodd 18869 |
. 2
 
   |
| 220 | 10 | islvec 19104 |
. 2

    |
| 221 | 219, 28, 220 | sylanbrc 698 |
1
 
   |