Proof of Theorem imasplusg
| Step | Hyp | Ref
| Expression |
| 1 | | imasplusg.a |
. . 3
    |
| 2 | | imasbas.u |
. . . . . 6
  s    |
| 3 | | imasbas.v |
. . . . . 6
       |
| 4 | | eqid 2196 |
. . . . . 6
       |
| 5 | | eqid 2196 |
. . . . . 6
         |
| 6 | | eqid 2196 |
. . . . . 6
         |
| 7 | | eqidd 2197 |
. . . . . 6
                
             

                             |
| 8 | | eqidd 2197 |
. . . . . 6
                
               
             
                |
| 9 | | imasbas.f |
. . . . . 6
       |
| 10 | | imasbas.r |
. . . . . 6
   |
| 11 | 2, 3, 4, 5, 6, 7, 8, 9, 10 | imasival 12949 |
. . . . 5
                              
                                    
                  |
| 12 | 11 | fveq1d 5560 |
. . . 4
                                      
                                    
                        |
| 13 | | basendxnn 12734 |
. . . . . . . 8
     |
| 14 | | basfn 12736 |
. . . . . . . . . . 11
 |
| 15 | 10 | elexd 2776 |
. . . . . . . . . . 11
   |
| 16 | | funfvex 5575 |
. . . . . . . . . . . 12
 
       |
| 17 | 16 | funfni 5358 |
. . . . . . . . . . 11
 
       |
| 18 | 14, 15, 17 | sylancr 414 |
. . . . . . . . . 10
       |
| 19 | 3, 18 | eqeltrd 2273 |
. . . . . . . . 9
   |
| 20 | | focdmex 6172 |
. . . . . . . . 9
     
   |
| 21 | 19, 9, 20 | sylc 62 |
. . . . . . . 8
   |
| 22 | | opexg 4261 |
. . . . . . . 8
     
       
  |
| 23 | 13, 21, 22 | sylancr 414 |
. . . . . . 7
      
   |
| 24 | | plusgndxnn 12789 |
. . . . . . . 8
    |
| 25 | | fof 5480 |
. . . . . . . . . . . . . . . . . 18
           |
| 26 | 9, 25 | syl 14 |
. . . . . . . . . . . . . . . . 17
       |
| 27 | 26, 19 | fexd 5792 |
. . . . . . . . . . . . . . . 16
   |
| 28 | | vex 2766 |
. . . . . . . . . . . . . . . 16
 |
| 29 | | fvexg 5577 |
. . . . . . . . . . . . . . . 16
 
       |
| 30 | 27, 28, 29 | sylancl 413 |
. . . . . . . . . . . . . . 15
       |
| 31 | | vex 2766 |
. . . . . . . . . . . . . . . 16
 |
| 32 | | fvexg 5577 |
. . . . . . . . . . . . . . . 16
 
       |
| 33 | 27, 31, 32 | sylancl 413 |
. . . . . . . . . . . . . . 15
       |
| 34 | | opexg 4261 |
. . . . . . . . . . . . . . 15
                        |
| 35 | 30, 33, 34 | syl2anc 411 |
. . . . . . . . . . . . . 14
              |
| 36 | 28 | a1i 9 |
. . . . . . . . . . . . . . . 16
   |
| 37 | | plusgslid 12790 |
. . . . . . . . . . . . . . . . . 18
 Slot      
  |
| 38 | 37 | slotex 12705 |
. . . . . . . . . . . . . . . . 17
      |
| 39 | 10, 38 | syl 14 |
. . . . . . . . . . . . . . . 16
      |
| 40 | 31 | a1i 9 |
. . . . . . . . . . . . . . . 16
   |
| 41 | | ovexg 5956 |
. . . . . . . . . . . . . . . 16
               |
| 42 | 36, 39, 40, 41 | syl3anc 1249 |
. . . . . . . . . . . . . . 15
          |
| 43 | | fvexg 5577 |
. . . . . . . . . . . . . . 15
                       |
| 44 | 27, 42, 43 | syl2anc 411 |
. . . . . . . . . . . . . 14
              |
| 45 | | opexg 4261 |
. . . . . . . . . . . . . 14
                                                    |
| 46 | 35, 44, 45 | syl2anc 411 |
. . . . . . . . . . . . 13
             
           
  |
| 47 | | snexg 4217 |
. . . . . . . . . . . . 13
                         
             
               |
| 48 | 46, 47 | syl 14 |
. . . . . . . . . . . 12
              
               |
| 49 | 48 | ralrimivw 2571 |
. . . . . . . . . . 11
               
               |
| 50 | | iunexg 6176 |
. . . . . . . . . . 11
                
                            
               |
| 51 | 19, 49, 50 | syl2anc 411 |
. . . . . . . . . 10
               
               |
| 52 | 51 | ralrimivw 2571 |
. . . . . . . . 9
                
               |
| 53 | | iunexg 6176 |
. . . . . . . . 9
   
             
                             
               |
| 54 | 19, 52, 53 | syl2anc 411 |
. . . . . . . 8
                
               |
| 55 | | opexg 4261 |
. . . . . . . 8
    


                                
                             
  |
| 56 | 24, 54, 55 | sylancr 414 |
. . . . . . 7
     
                             
  |
| 57 | | mulrslid 12809 |
. . . . . . . . 9
 Slot    
      |
| 58 | 57 | simpri 113 |
. . . . . . . 8
     |
| 59 | 57 | slotex 12705 |
. . . . . . . . . . . . . . . . 17
       |
| 60 | 10, 59 | syl 14 |
. . . . . . . . . . . . . . . 16
       |
| 61 | | ovexg 5956 |
. . . . . . . . . . . . . . . 16
                 |
| 62 | 36, 60, 40, 61 | syl3anc 1249 |
. . . . . . . . . . . . . . 15
           |
| 63 | | fvexg 5577 |
. . . . . . . . . . . . . . 15
                         |
| 64 | 27, 62, 63 | syl2anc 411 |
. . . . . . . . . . . . . 14
               |
| 65 | | opexg 4261 |
. . . . . . . . . . . . . 14
                                                      |
| 66 | 35, 64, 65 | syl2anc 411 |
. . . . . . . . . . . . 13
             
               |
| 67 | | snexg 4217 |
. . . . . . . . . . . . 13
                                        
                |
| 68 | 66, 67 | syl 14 |
. . . . . . . . . . . 12
              
                |
| 69 | 68 | ralrimivw 2571 |
. . . . . . . . . . 11
               
                |
| 70 | | iunexg 6176 |
. . . . . . . . . . 11
                
              

                              |
| 71 | 19, 69, 70 | syl2anc 411 |
. . . . . . . . . 10
               
                |
| 72 | 71 | ralrimivw 2571 |
. . . . . . . . 9
                
                |
| 73 | | iunexg 6176 |
. . . . . . . . 9
   
             
              

                               |
| 74 | 19, 72, 73 | syl2anc 411 |
. . . . . . . 8
                
                |
| 75 | | opexg 4261 |
. . . . . . . 8
     


                                  
                              
  |
| 76 | 58, 74, 75 | sylancr 414 |
. . . . . . 7
      
                              
  |
| 77 | | tpexg 4479 |
. . . . . . 7
       

     

                           
     
                              
                              
                                    
                  |
| 78 | 23, 56, 76, 77 | syl3anc 1249 |
. . . . . 6
       
      
                                                    
                  |
| 79 | 11, 78 | eqeltrd 2273 |
. . . . 5
   |
| 80 | | plusgid 12788 |
. . . . 5
Slot     |
| 81 | 79, 80, 24 | strndxid 12706 |
. . . 4
             |
| 82 | 24 | a1i 9 |
. . . . 5
   
  |
| 83 | | basendxnplusgndx 12802 |
. . . . . 6
        |
| 84 | 83 | a1i 9 |
. . . . 5
          |
| 85 | | plusgndxnmulrndx 12810 |
. . . . . 6
        |
| 86 | 85 | a1i 9 |
. . . . 5
          |
| 87 | | fvtp2g 5771 |
. . . . 5
     


                                                                           
                                    
                      

                             |
| 88 | 82, 54, 84, 86, 87 | syl22anc 1250 |
. . . 4
                               
                                    
                      

                             |
| 89 | 12, 81, 88 | 3eqtr3rd 2238 |
. . 3
                
                  |
| 90 | 1, 89 | eqtr4id 2248 |
. 2
 
                              |
| 91 | | imasplusg.p |
. . . . . . . . . 10
    |
| 92 | 91 | oveqi 5935 |
. . . . . . . . 9
          |
| 93 | 92 | fveq2i 5561 |
. . . . . . . 8
                  |
| 94 | 93 | opeq2i 3812 |
. . . . . . 7
                   
                          |
| 95 | 94 | sneqi 3634 |
. . . . . 6
                 
                 
              |
| 96 | 95 | a1i 9 |
. . . . 5
                  
                 
               |
| 97 | 96 | iuneq2i 3934 |
. . . 4

                      
                            |
| 98 | 97 | a1i 9 |
. . 3
 
                      
                             |
| 99 | 98 | iuneq2i 3934 |
. 2

                       
                             |
| 100 | 90, 99 | eqtr4di 2247 |
1
 
                         |