| Step | Hyp | Ref
 | Expression | 
| 1 |   | dfcnqs 7908 | 
. 2
                     | 
| 2 |   | mulcnsrec 7910 | 
. 2
                                        
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| 3 |   | mulcnsrec 7910 | 
. 2
                                        
        ![]  ]](rbrack.gif)              ![]  ]](rbrack.gif)      
                                                   ![]  ]](rbrack.gif)       | 
| 4 |   | mulcnsrec 7910 | 
. 2
                         
                          
                             
                                                  ![]  ]](rbrack.gif)              ![]  ]](rbrack.gif)        
                        
                                                                                                
           ![]  ]](rbrack.gif)       | 
| 5 |   | mulcnsrec 7910 | 
. 2
                                           
                          
           
        ![]  ]](rbrack.gif)  
                          
                          ![]  ]](rbrack.gif)                                     
                 
     
                                          
                              
      ![]  ]](rbrack.gif)  
    | 
| 6 |   | mulclsr 7821 | 
. . . . 5
               
                  | 
| 7 |   | m1r 7819 | 
. . . . . 6
        | 
| 8 |   | mulclsr 7821 | 
. . . . . 6
               
                  | 
| 9 |   | mulclsr 7821 | 
. . . . . 6
                                    
         | 
| 10 | 7, 8, 9 | sylancr 414 | 
. . . . 5
               
              
         | 
| 11 |   | addclsr 7820 | 
. . . . 5
                                                                      | 
| 12 | 6, 10, 11 | syl2an 289 | 
. . . 4
                                        
     
              
          | 
| 13 | 12 | an4s 588 | 
. . 3
                                        
     
              
          | 
| 14 |   | mulclsr 7821 | 
. . . . 5
               
                  | 
| 15 |   | mulclsr 7821 | 
. . . . 5
               
                  | 
| 16 |   | addclsr 7820 | 
. . . . 5
                    
                           
         | 
| 17 | 14, 15, 16 | syl2anr 290 | 
. . . 4
                                        
     
                   | 
| 18 | 17 | an42s 589 | 
. . 3
                                        
     
                   | 
| 19 | 13, 18 | jca 306 | 
. 2
                                        
                                                           | 
| 20 |   | mulclsr 7821 | 
. . . . 5
               
                  | 
| 21 |   | mulclsr 7821 | 
. . . . . 6
               
                  | 
| 22 |   | mulclsr 7821 | 
. . . . . 6
              
                     
         | 
| 23 | 7, 21, 22 | sylancr 414 | 
. . . . 5
               
              
         | 
| 24 |   | addclsr 7820 | 
. . . . 5
                                                                      | 
| 25 | 20, 23, 24 | syl2an 289 | 
. . . 4
                                        
     
              
          | 
| 26 | 25 | an4s 588 | 
. . 3
                                        
     
              
          | 
| 27 |   | mulclsr 7821 | 
. . . . 5
               
                  | 
| 28 |   | mulclsr 7821 | 
. . . . 5
               
                  | 
| 29 |   | addclsr 7820 | 
. . . . 5
                                                
         | 
| 30 | 27, 28, 29 | syl2anr 290 | 
. . . 4
                                        
     
                   | 
| 31 | 30 | an42s 589 | 
. . 3
                                        
     
                   | 
| 32 | 26, 31 | jca 306 | 
. 2
                                        
                                                           | 
| 33 |   | simp1l 1023 | 
. . . . 5
                                                          
       | 
| 34 |   | simp2l 1025 | 
. . . . . 6
                                                          
       | 
| 35 |   | simp3l 1027 | 
. . . . . 6
                                                          
       | 
| 36 | 34, 35, 20 | syl2anc 411 | 
. . . . 5
                                                          
             | 
| 37 |   | mulclsr 7821 | 
. . . . 5
                                    
         | 
| 38 | 33, 36, 37 | syl2anc 411 | 
. . . 4
                                                          
                   | 
| 39 |   | simp2r 1026 | 
. . . . . . 7
                                                          
       | 
| 40 |   | simp3r 1028 | 
. . . . . . 7
                                                          
       | 
| 41 | 39, 40, 21 | syl2anc 411 | 
. . . . . 6
                                                          
             | 
| 42 | 7, 41, 22 | sylancr 414 | 
. . . . 5
                                                          
                   | 
| 43 |   | mulclsr 7821 | 
. . . . 5
                                                          | 
| 44 | 33, 42, 43 | syl2anc 411 | 
. . . 4
                                                          
              
          | 
| 45 |   | simp1r 1024 | 
. . . . . 6
                                                          
       | 
| 46 | 39, 35, 27 | syl2anc 411 | 
. . . . . 6
                                                          
             | 
| 47 |   | mulclsr 7821 | 
. . . . . 6
              
                     
         | 
| 48 | 45, 46, 47 | syl2anc 411 | 
. . . . 5
                                                          
                   | 
| 49 |   | mulclsr 7821 | 
. . . . 5
                     
                    
               | 
| 50 | 7, 48, 49 | sylancr 414 | 
. . . 4
                                                          
              
          | 
| 51 |   | addcomsrg 7822 | 
. . . . 5
               
                        | 
| 52 | 51 | adantl 277 | 
. . . 4
             
      
              
                       
                                      | 
| 53 |   | addasssrg 7823 | 
. . . . 5
               
                                            | 
| 54 | 53 | adantl 277 | 
. . . 4
             
      
              
                       
                
                                         | 
| 55 | 34, 40, 28 | syl2anc 411 | 
. . . . . 6
                                                          
             | 
| 56 |   | mulclsr 7821 | 
. . . . . 6
                                    
         | 
| 57 | 45, 55, 56 | syl2anc 411 | 
. . . . 5
                                                          
                   | 
| 58 |   | mulclsr 7821 | 
. . . . 5
                     
                    
               | 
| 59 | 7, 57, 58 | sylancr 414 | 
. . . 4
                                                          
              
          | 
| 60 |   | addclsr 7820 | 
. . . . 5
               
                  | 
| 61 | 60 | adantl 277 | 
. . . 4
             
      
              
                       
                                | 
| 62 | 38, 44, 50, 52, 54, 59, 61 | caov42d 6110 | 
. . 3
                                                          
           
                  
                       
                  
                                            
                                                        | 
| 63 |   | distrsrg 7826 | 
. . . . 5
                                                                                                                        | 
| 64 | 33, 36, 42, 63 | syl3anc 1249 | 
. . . 4
                                                          
                                                                         | 
| 65 |   | distrsrg 7826 | 
. . . . . . 7
              
                                                                                       | 
| 66 | 45, 46, 55, 65 | syl3anc 1249 | 
. . . . . 6
                                                          
                    
                 
                      | 
| 67 | 66 | oveq2d 5938 | 
. . . . 5
                                                          
                                                                         | 
| 68 | 7 | a1i 9 | 
. . . . . 6
                                                          
       | 
| 69 |   | distrsrg 7826 | 
. . . . . 6
                     
                   
                          
                                                             
       | 
| 70 | 68, 48, 57, 69 | syl3anc 1249 | 
. . . . 5
                                                          
             
            
                                                  
       | 
| 71 | 67, 70 | eqtrd 2229 | 
. . . 4
                                                          
                                            
                          
       | 
| 72 | 64, 71 | oveq12d 5940 | 
. . 3
                                                          
     
     
              
                 
     
                              
                  
                       
                  
             | 
| 73 |   | mulcomsrg 7824 | 
. . . . . . 7
               
                        | 
| 74 | 73 | adantl 277 | 
. . . . . 6
             
      
              
                       
                                      | 
| 75 |   | distrsrg 7826 | 
. . . . . . . . 9
               
                 
                          
     | 
| 76 | 75 | 3coml 1212 | 
. . . . . . . 8
               
                 
                          
     | 
| 77 |   | simp3 1001 | 
. . . . . . . . 9
               
                    | 
| 78 | 60 | 3adant3 1019 | 
. . . . . . . . 9
               
                          | 
| 79 |   | mulcomsrg 7824 | 
. . . . . . . . 9
                                                          | 
| 80 | 77, 78, 79 | syl2anc 411 | 
. . . . . . . 8
               
                 
                          | 
| 81 |   | simp1 999 | 
. . . . . . . . . 10
               
                    | 
| 82 |   | mulcomsrg 7824 | 
. . . . . . . . . 10
               
                        | 
| 83 | 77, 81, 82 | syl2anc 411 | 
. . . . . . . . 9
               
                 
              | 
| 84 |   | simp2 1000 | 
. . . . . . . . . 10
               
                    | 
| 85 |   | mulcomsrg 7824 | 
. . . . . . . . . 10
               
                        | 
| 86 | 77, 84, 85 | syl2anc 411 | 
. . . . . . . . 9
               
                 
              | 
| 87 | 83, 86 | oveq12d 5940 | 
. . . . . . . 8
               
                                                        | 
| 88 | 76, 80, 87 | 3eqtr3d 2237 | 
. . . . . . 7
               
                       
                          | 
| 89 | 88 | adantl 277 | 
. . . . . 6
             
      
              
                       
                
                    
                          | 
| 90 |   | mulasssrg 7825 | 
. . . . . . 7
               
                       
                    | 
| 91 | 90 | adantl 277 | 
. . . . . 6
             
      
              
                       
                
                    
                    | 
| 92 |   | mulclsr 7821 | 
. . . . . . 7
               
                  | 
| 93 | 92 | adantl 277 | 
. . . . . 6
             
      
              
                       
                                | 
| 94 | 45, 39, 8 | syl2anc 411 | 
. . . . . 6
                                                          
             | 
| 95 | 74, 89, 91, 93, 33, 68, 34, 94, 35 | caovdilemd 6115 | 
. . . . 5
                                                          
                                                                         | 
| 96 |   | mulasssrg 7825 | 
. . . . . . . 8
               
                       
            
       | 
| 97 | 45, 39, 35, 96 | syl3anc 1249 | 
. . . . . . 7
                                                          
     
                         | 
| 98 | 97 | oveq2d 5938 | 
. . . . . 6
                                                          
                                           | 
| 99 | 98 | oveq2d 5938 | 
. . . . 5
                                                          
     
                          
                 
                  
         | 
| 100 | 95, 99 | eqtrd 2229 | 
. . . 4
                                                          
                                                               
         | 
| 101 | 74, 89, 91, 93, 45, 33, 34, 39, 40 | caovdilemd 6115 | 
. . . . . 6
                                                          
                                                 
           | 
| 102 | 101 | oveq2d 5938 | 
. . . . 5
                                                          
                                                               
         | 
| 103 | 93, 33, 41 | caovcld 6077 | 
. . . . . 6
                                                          
                   | 
| 104 |   | distrsrg 7826 | 
. . . . . 6
                     
            
      
                          
                                                      
      
       | 
| 105 | 68, 57, 103, 104 | syl3anc 1249 | 
. . . . 5
                                                          
                          
                                           
      
       | 
| 106 | 68, 33, 41, 74, 91 | caov12d 6105 | 
. . . . . 6
                                                          
              
                            | 
| 107 | 106 | oveq2d 5938 | 
. . . . 5
                                                          
                                
                                                          | 
| 108 | 102, 105,
107 | 3eqtrd 2233 | 
. . . 4
                                                          
                                            
                                  | 
| 109 | 100, 108 | oveq12d 5940 | 
. . 3
                                                          
                                                        
     
                                     
                                                        | 
| 110 | 62, 72, 109 | 3eqtr4rd 2240 | 
. 2
                                                          
                                                        
     
                                                                   
        | 
| 111 | 93, 45, 36 | caovcld 6077 | 
. . . 4
                                                          
                   | 
| 112 | 93, 45, 42 | caovcld 6077 | 
. . . 4
                                                          
              
          | 
| 113 | 93, 33, 46 | caovcld 6077 | 
. . . 4
                                                          
                   | 
| 114 | 93, 33, 55 | caovcld 6077 | 
. . . 4
                                                          
                   | 
| 115 | 111, 112,
113, 52, 54, 114, 61 | caov42d 6110 | 
. . 3
                                                          
           
                  
                                    
                                   
                 
                  
          | 
| 116 |   | distrsrg 7826 | 
. . . . 5
                                                                                                                        | 
| 117 | 45, 36, 42, 116 | syl3anc 1249 | 
. . . 4
                                                          
                                                                         | 
| 118 |   | distrsrg 7826 | 
. . . . 5
              
                                                                                       | 
| 119 | 33, 46, 55, 118 | syl3anc 1249 | 
. . . 4
                                                          
                    
                 
                      | 
| 120 | 117, 119 | oveq12d 5940 | 
. . 3
                                                          
     
     
              
                                                           
                                            
       | 
| 121 | 74, 89, 91, 93, 45, 33, 34, 39, 35 | caovdilemd 6115 | 
. . . 4
                                                          
                                                 
           | 
| 122 | 74, 89, 91, 93, 33, 68, 34, 94, 40 | caovdilemd 6115 | 
. . . . 5
                                                          
                                                                         | 
| 123 |   | mulasssrg 7825 | 
. . . . . . . . 9
               
                       
            
       | 
| 124 | 45, 39, 40, 123 | syl3anc 1249 | 
. . . . . . . 8
                                                          
     
                         | 
| 125 | 124 | oveq2d 5938 | 
. . . . . . 7
                                                          
                                           | 
| 126 | 68, 45, 41, 74, 91 | caov12d 6105 | 
. . . . . . 7
                                                          
              
                            | 
| 127 | 125, 126 | eqtrd 2229 | 
. . . . . 6
                                                          
                                           | 
| 128 | 127 | oveq2d 5938 | 
. . . . 5
                                                          
     
                          
                 
                  
         | 
| 129 | 122, 128 | eqtrd 2229 | 
. . . 4
                                                          
                                                       
                 | 
| 130 | 121, 129 | oveq12d 5940 | 
. . 3
                                                          
                 
     
                          
                                   
                                                    | 
| 131 | 115, 120,
130 | 3eqtr4rd 2240 | 
. 2
                                                          
                 
     
                          
                                                                            | 
| 132 | 1, 2, 3, 4, 5, 19,
32, 110, 131 | ecoviass 6704 | 
1
               
                                    
       |