| Step | Hyp | Ref
 | Expression | 
| 1 |   | simplr 528 | 
. . . . 5
                                       DECID                                                 
                                                                     | 
| 2 |   | oveq1 5929 | 
. . . . . . . 8
                              | 
| 3 | 2 | oveq1d 5937 | 
. . . . . . 7
                                          | 
| 4 | 3 | eleq1d 2265 | 
. . . . . 6
                               
                    | 
| 5 | 4 | elrab 2920 | 
. . . . 5
                                    
                             | 
| 6 | 1, 5 | sylib 122 | 
. . . 4
                                       DECID                                                 
                                                                 | 
| 7 | 6 | simprd 114 | 
. . 3
                                       DECID                                                 
                                                       | 
| 8 |   | breq2 4037 | 
. . . . . . 7
                           
   
                    | 
| 9 |   | simplr 528 | 
. . . . . . 7
                  
      
              DECID                                            
                                        
                                                | 
| 10 |   | oveq1 5929 | 
. . . . . . . . . 10
                                                      | 
| 11 | 10 | oveq1d 5937 | 
. . . . . . . . 9
                                                                  | 
| 12 | 11 | eleq1d 2265 | 
. . . . . . . 8
                                           
                                | 
| 13 |   | simp1 999 | 
. . . . . . . . . . . . . 14
       
            
                DECID                     | 
| 14 | 13 | ad3antrrr 492 | 
. . . . . . . . . . . . 13
                  
      
              DECID                                            
                                        
                    | 
| 15 |   | simpr 110 | 
. . . . . . . . . . . . 13
                  
      
              DECID                                            
                                        
                | 
| 16 | 14, 15 | sseldd 3184 | 
. . . . . . . . . . . 12
                  
      
              DECID                                            
                                        
                    | 
| 17 |   | eluzelz 9610 | 
. . . . . . . . . . . 12
              
       | 
| 18 | 16, 17 | syl 14 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
                | 
| 19 |   | simp2 1000 | 
. . . . . . . . . . . . 13
       
            
                DECID                
   | 
| 20 |   | ssel2 3178 | 
. . . . . . . . . . . . . . . 16
       
                            | 
| 21 |   | eluzel2 9606 | 
. . . . . . . . . . . . . . . 16
              
       | 
| 22 | 20, 21 | syl 14 | 
. . . . . . . . . . . . . . 15
       
                        | 
| 23 | 22 | ex 115 | 
. . . . . . . . . . . . . 14
              
      
          | 
| 24 | 23 | exlimdv 1833 | 
. . . . . . . . . . . . 13
              
     
              | 
| 25 | 13, 19, 24 | sylc 62 | 
. . . . . . . . . . . 12
       
            
                DECID                 | 
| 26 | 25 | ad3antrrr 492 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
                | 
| 27 | 18, 26 | zsubcld 9453 | 
. . . . . . . . . 10
                  
      
              DECID                                            
                                        
                      | 
| 28 |   | eluzle 9613 | 
. . . . . . . . . . . 12
              
       | 
| 29 | 16, 28 | syl 14 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
                | 
| 30 | 18 | zred 9448 | 
. . . . . . . . . . . 12
                  
      
              DECID                                            
                                        
                | 
| 31 | 26 | zred 9448 | 
. . . . . . . . . . . 12
                  
      
              DECID                                            
                                        
                | 
| 32 | 30, 31 | subge0d 8562 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
             
         
        | 
| 33 | 29, 32 | mpbird 167 | 
. . . . . . . . . 10
                  
      
              DECID                                            
                                        
                      | 
| 34 |   | elnn0z 9339 | 
. . . . . . . . . 10
              
                               | 
| 35 | 27, 33, 34 | sylanbrc 417 | 
. . . . . . . . 9
                  
      
              DECID                                            
                                        
                      | 
| 36 |   | nn0p1nn 9288 | 
. . . . . . . . 9
              
                     | 
| 37 | 35, 36 | syl 14 | 
. . . . . . . 8
                  
      
              DECID                                            
                                        
                            | 
| 38 | 27 | zcnd 9449 | 
. . . . . . . . . . . 12
                  
      
              DECID                                            
                                        
                      | 
| 39 |   | 1cnd 8042 | 
. . . . . . . . . . . 12
                  
      
              DECID                                            
                                        
                | 
| 40 | 38, 39 | pncand 8338 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
                                        | 
| 41 | 40 | oveq1d 5937 | 
. . . . . . . . . 10
                  
      
              DECID                                            
                                        
                                                    | 
| 42 | 18 | zcnd 9449 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
                | 
| 43 | 26 | zcnd 9449 | 
. . . . . . . . . . 11
                  
      
              DECID                                            
                                        
                | 
| 44 | 42, 43 | npcand 8341 | 
. . . . . . . . . 10
                  
      
              DECID                                            
                                        
                            | 
| 45 | 41, 44 | eqtrd 2229 | 
. . . . . . . . 9
                  
      
              DECID                                            
                                        
                                        | 
| 46 | 45, 15 | eqeltrd 2273 | 
. . . . . . . 8
                  
      
              DECID                                            
                                        
                                        | 
| 47 | 12, 37, 46 | elrabd 2922 | 
. . . . . . 7
                  
      
              DECID                                            
                                        
                                                      | 
| 48 | 8, 9, 47 | rspcdva 2873 | 
. . . . . 6
                  
      
              DECID                                            
                                        
                            | 
| 49 |   | elrabi 2917 | 
. . . . . . . . 9
                                            | 
| 50 | 49 | ad3antlr 493 | 
. . . . . . . 8
                  
      
              DECID                                            
                                        
                | 
| 51 | 50 | nnred 9003 | 
. . . . . . 7
                  
      
              DECID                                            
                                        
                | 
| 52 |   | 1red 8041 | 
. . . . . . 7
                  
      
              DECID                                            
                                        
                | 
| 53 | 30, 31 | resubcld 8407 | 
. . . . . . 7
                  
      
              DECID                                            
                                        
                      | 
| 54 | 51, 52, 53 | lesubaddd 8569 | 
. . . . . 6
                  
      
              DECID                                            
                                        
                   
         
                    | 
| 55 | 48, 54 | mpbird 167 | 
. . . . 5
                  
      
              DECID                                            
                                        
                            | 
| 56 | 51, 52 | resubcld 8407 | 
. . . . . 6
                  
      
              DECID                                            
                                        
                      | 
| 57 |   | leaddsub 8465 | 
. . . . . 6
                     
                             
   
                    | 
| 58 | 56, 31, 30, 57 | syl3anc 1249 | 
. . . . 5
                  
      
              DECID                                            
                                        
                         
   
                    | 
| 59 | 55, 58 | mpbird 167 | 
. . . 4
                  
      
              DECID                                            
                                        
                            | 
| 60 | 59 | ralrimiva 2570 | 
. . 3
                                       DECID                                                 
                                          
                   | 
| 61 |   | breq1 4036 | 
. . . . 5
                           
   
                    | 
| 62 | 61 | ralbidv 2497 | 
. . . 4
                          
           
      
                    | 
| 63 | 62 | rspcev 2868 | 
. . 3
                                                      
      
           | 
| 64 | 7, 60, 63 | syl2anc 411 | 
. 2
                                       DECID                                                 
                                          
      
       | 
| 65 |   | ssrab2 3268 | 
. . 3
                                  | 
| 66 |   | eluzelz 9610 | 
. . . . . . . . . . 11
              
       | 
| 67 | 20, 66 | syl 14 | 
. . . . . . . . . 10
       
                        | 
| 68 | 67, 22 | zsubcld 9453 | 
. . . . . . . . 9
       
                              | 
| 69 |   | 1zzd 9353 | 
. . . . . . . . 9
       
                        | 
| 70 | 68, 69 | zaddcld 9452 | 
. . . . . . . 8
       
                                    | 
| 71 |   | oveq1 5929 | 
. . . . . . . . . . 11
                                                      | 
| 72 | 71 | oveq1d 5937 | 
. . . . . . . . . 10
                                                                  | 
| 73 | 72 | eleq1d 2265 | 
. . . . . . . . 9
                                           
                                | 
| 74 |   | eluzle 9613 | 
. . . . . . . . . . . . 13
              
       | 
| 75 | 20, 74 | syl 14 | 
. . . . . . . . . . . 12
       
                        | 
| 76 | 67 | zred 9448 | 
. . . . . . . . . . . . 13
       
                        | 
| 77 | 22 | zred 9448 | 
. . . . . . . . . . . . 13
       
                        | 
| 78 | 76, 77 | subge0d 8562 | 
. . . . . . . . . . . 12
       
                     
         
        | 
| 79 | 75, 78 | mpbird 167 | 
. . . . . . . . . . 11
       
                              | 
| 80 |   | elnn0z 9339 | 
. . . . . . . . . . 11
              
                               | 
| 81 | 68, 79, 80 | sylanbrc 417 | 
. . . . . . . . . 10
       
                              | 
| 82 |   | nn0p1nn 9288 | 
. . . . . . . . . 10
              
                     | 
| 83 | 81, 82 | syl 14 | 
. . . . . . . . 9
       
                                    | 
| 84 | 68 | zcnd 9449 | 
. . . . . . . . . . . . 13
       
                              | 
| 85 |   | 1cnd 8042 | 
. . . . . . . . . . . . 13
       
                        | 
| 86 | 84, 85 | pncand 8338 | 
. . . . . . . . . . . 12
       
                                                | 
| 87 | 86 | oveq1d 5937 | 
. . . . . . . . . . 11
       
                                                            | 
| 88 | 67 | zcnd 9449 | 
. . . . . . . . . . . 12
       
                        | 
| 89 | 22 | zcnd 9449 | 
. . . . . . . . . . . 12
       
                        | 
| 90 | 88, 89 | npcand 8341 | 
. . . . . . . . . . 11
       
                                    | 
| 91 | 87, 90 | eqtrd 2229 | 
. . . . . . . . . 10
       
                                                | 
| 92 |   | simpr 110 | 
. . . . . . . . . 10
       
                        | 
| 93 | 91, 92 | eqeltrd 2273 | 
. . . . . . . . 9
       
                                                | 
| 94 | 73, 83, 93 | elrabd 2922 | 
. . . . . . . 8
       
                                                              | 
| 95 |   | eleq1 2259 | 
. . . . . . . . 9
                                                         
                                              | 
| 96 | 95 | spcegv 2852 | 
. . . . . . . 8
                                                                                                           | 
| 97 | 70, 94, 96 | sylc 62 | 
. . . . . . 7
       
                                                     | 
| 98 | 97 | ex 115 | 
. . . . . 6
              
      
                                       | 
| 99 | 98 | exlimdv 1833 | 
. . . . 5
              
     
                                           | 
| 100 | 99 | imp 124 | 
. . . 4
       
            
      
                                    | 
| 101 | 100 | 3adant3 1019 | 
. . 3
       
            
                DECID                                              | 
| 102 |   | eleq1 2259 | 
. . . . . . 7
                               
                    | 
| 103 | 102 | dcbid 839 | 
. . . . . 6
                        DECID      
  DECID                     | 
| 104 |   | simpl3 1004 | 
. . . . . 6
                                      DECID                             DECID        | 
| 105 | 24 | imp 124 | 
. . . . . . . . 9
       
            
      
       | 
| 106 | 105 | 3adant3 1019 | 
. . . . . . . 8
       
            
                DECID                 | 
| 107 | 106 | adantr 276 | 
. . . . . . 7
                                      DECID                          | 
| 108 |   | simpr 110 | 
. . . . . . . . . 10
                                      DECID                          | 
| 109 | 108 | nnzd 9447 | 
. . . . . . . . 9
                                      DECID                          | 
| 110 |   | 1zzd 9353 | 
. . . . . . . . 9
                                      DECID                          | 
| 111 | 109, 110 | zsubcld 9453 | 
. . . . . . . 8
                                      DECID                                | 
| 112 | 111, 107 | zaddcld 9452 | 
. . . . . . 7
                                      DECID                                      | 
| 113 |   | nnm1ge0 9412 | 
. . . . . . . . 9
                        | 
| 114 | 113 | adantl 277 | 
. . . . . . . 8
                                      DECID                                | 
| 115 | 107 | zred 9448 | 
. . . . . . . . 9
                                      DECID                          | 
| 116 | 111 | zred 9448 | 
. . . . . . . . 9
                                      DECID                                | 
| 117 | 115, 116 | addge02d 8561 | 
. . . . . . . 8
                                      DECID                       
         
                    | 
| 118 | 114, 117 | mpbid 147 | 
. . . . . . 7
                                      DECID                                      | 
| 119 |   | eluz2 9607 | 
. . . . . . 7
                                                                            | 
| 120 | 107, 112,
118, 119 | syl3anbrc 1183 | 
. . . . . 6
                                      DECID                                          | 
| 121 | 103, 104,
120 | rspcdva 2873 | 
. . . . 5
                                      DECID                  
DECID                    | 
| 122 |   | oveq1 5929 | 
. . . . . . . . . 10
                              | 
| 123 | 122 | oveq1d 5937 | 
. . . . . . . . 9
                                          | 
| 124 | 123 | eleq1d 2265 | 
. . . . . . . 8
                               
                    | 
| 125 | 124 | elrab3 2921 | 
. . . . . . 7
                                             
                    | 
| 126 | 125 | dcbid 839 | 
. . . . . 6
            DECID                                   DECID                     | 
| 127 | 126 | adantl 277 | 
. . . . 5
                                      DECID                    DECID                                   DECID                     | 
| 128 | 121, 127 | mpbird 167 | 
. . . 4
                                      DECID                  
DECID  
                               | 
| 129 | 128 | ralrimiva 2570 | 
. . 3
       
            
                DECID                 DECID                                  | 
| 130 |   | nnwodc 12203 | 
. . 3
                                          
                                    
 
DECID  
                                   
                                                                    | 
| 131 | 65, 101, 129, 130 | mp3an2i 1353 | 
. 2
       
            
                DECID                                                                             
   | 
| 132 | 64, 131 | r19.29a 2640 | 
1
       
            
                DECID                
      
       |