| Step | Hyp | Ref
| Expression |
| 1 | | nninfdclemf.a |
. . . 4

  |
| 2 | | nninfdclemf.dc |
. . . . . 6
  DECID   |
| 3 | | nninfdclemf.nb |
. . . . . 6
     |
| 4 | | nninfdclemf.j |
. . . . . 6
 
   |
| 5 | | nninfdclemf.f |
. . . . . 6
     inf                 |
| 6 | 1, 2, 3, 4, 5 | nninfdclemf 12691 |
. . . . 5
       |
| 7 | | nninfdclemp1.u |
. . . . 5
   |
| 8 | 6, 7 | ffvelcdmd 5701 |
. . . 4
       |
| 9 | 1, 8 | sseldd 3185 |
. . 3
       |
| 10 | 9 | nnred 9020 |
. 2
       |
| 11 | 9 | nnzd 9464 |
. . . 4
       |
| 12 | 11 | peano2zd 9468 |
. . 3
         |
| 13 | 12 | zred 9465 |
. 2
         |
| 14 | 7 | peano2nnd 9022 |
. . . . 5
     |
| 15 | 6, 14 | ffvelcdmd 5701 |
. . . 4
    
    |
| 16 | 1, 15 | sseldd 3185 |
. . 3
    
    |
| 17 | 16 | nnred 9020 |
. 2
    
    |
| 18 | 10 | ltp1d 8974 |
. 2
    
        |
| 19 | | simpr 110 |
. . . . . . 7
 

           

             |
| 20 | 19 | elin2d 3354 |
. . . . . 6
 

           
            |
| 21 | | eluzle 9630 |
. . . . . 6
          
        |
| 22 | 20, 21 | syl 14 |
. . . . 5
 

           
        |
| 23 | 22 | ralrimiva 2570 |
. . . 4
                       |
| 24 | | inss1 3384 |
. . . . . . 7
             |
| 25 | 24, 1 | sstrid 3195 |
. . . . . 6
               |
| 26 | | eleq1w 2257 |
. . . . . . . . . . 11
 
   |
| 27 | 26 | dcbid 839 |
. . . . . . . . . 10
 DECID
DECID
   |
| 28 | 2 | adantr 276 |
. . . . . . . . . 10
 

 DECID   |
| 29 | | simpr 110 |
. . . . . . . . . 10
 

  |
| 30 | 27, 28, 29 | rspcdva 2873 |
. . . . . . . . 9
 

DECID
  |
| 31 | 29 | nnzd 9464 |
. . . . . . . . . 10
 

  |
| 32 | | eluzdc 9701 |
. . . . . . . . . 10
       
 DECID             |
| 33 | 12, 31, 32 | syl2an2r 595 |
. . . . . . . . 9
 

DECID
            |
| 34 | | dcan2 936 |
. . . . . . . . 9
DECID
DECID
          DECID 
              |
| 35 | 30, 33, 34 | sylc 62 |
. . . . . . . 8
 

DECID 
             |
| 36 | | elin 3347 |
. . . . . . . . 9
                           |
| 37 | 36 | dcbii 841 |
. . . . . . . 8
DECID             DECID 
             |
| 38 | 35, 37 | sylibr 134 |
. . . . . . 7
 

DECID
              |
| 39 | 38 | ralrimiva 2570 |
. . . . . 6
  DECID               |
| 40 | | breq1 4037 |
. . . . . . . . . . 11
     
       |
| 41 | 40 | rexbidv 2498 |
. . . . . . . . . 10
      

       |
| 42 | 41, 3, 9 | rspcdva 2873 |
. . . . . . . . 9
        |
| 43 | | breq2 4038 |
. . . . . . . . . 10
     
       |
| 44 | 43 | cbvrexv 2730 |
. . . . . . . . 9
     

      |
| 45 | 42, 44 | sylib 122 |
. . . . . . . 8
        |
| 46 | | df-rex 2481 |
. . . . . . . 8
     
      
   |
| 47 | 45, 46 | sylib 122 |
. . . . . . 7
           |
| 48 | | simprl 529 |
. . . . . . . . . 10
 

        |
| 49 | 12 | adantr 276 |
. . . . . . . . . . 11
 

              |
| 50 | 1 | adantr 276 |
. . . . . . . . . . . . 13
 

        |
| 51 | 50, 48 | sseldd 3185 |
. . . . . . . . . . . 12
 

        |
| 52 | 51 | nnzd 9464 |
. . . . . . . . . . 11
 

        |
| 53 | | simprr 531 |
. . . . . . . . . . . 12
 

         
  |
| 54 | | nnltp1le 9403 |
. . . . . . . . . . . . 13
     
               |
| 55 | 9, 51, 54 | syl2an2r 595 |
. . . . . . . . . . . 12
 

                    |
| 56 | 53, 55 | mpbid 147 |
. . . . . . . . . . 11
 

           
  |
| 57 | | eluz2 9624 |
. . . . . . . . . . 11
                           |
| 58 | 49, 52, 56, 57 | syl3anbrc 1183 |
. . . . . . . . . 10
 

                  |
| 59 | 48, 58 | elind 3349 |
. . . . . . . . 9
 

                    |
| 60 | 59 | ex 115 |
. . . . . . . 8
                       |
| 61 | 60 | eximdv 1894 |
. . . . . . 7
          

              |
| 62 | 47, 61 | mpd 13 |
. . . . . 6
                |
| 63 | 25, 39, 62 | nninfdcex 10344 |
. . . . 5
                 
                  |
| 64 | | nnssre 9011 |
. . . . . 6
 |
| 65 | 25, 64 | sstrdi 3196 |
. . . . 5
               |
| 66 | 63, 65, 13 | infregelbex 9689 |
. . . 4
        inf                                      |
| 67 | 23, 66 | mpbird 167 |
. . 3
      
inf                 |
| 68 | 5 | fveq1i 5562 |
. . . . 5
          
inf                  
   |
| 69 | | nnuz 9654 |
. . . . . . 7
     |
| 70 | 7, 69 | eleqtrdi 2289 |
. . . . . 6
       |
| 71 | | eqid 2196 |
. . . . . . . 8
     |
| 72 | | eqidd 2197 |
. . . . . . . 8
   |
| 73 | | elnnuz 9655 |
. . . . . . . . . 10

      |
| 74 | 73 | biimpri 133 |
. . . . . . . . 9
    
  |
| 75 | 74 | adantl 277 |
. . . . . . . 8
 
    
  |
| 76 | 4 | simpld 112 |
. . . . . . . . 9
   |
| 77 | 76 | adantr 276 |
. . . . . . . 8
 
    
  |
| 78 | 71, 72, 75, 77 | fvmptd3 5658 |
. . . . . . 7
 
    
        |
| 79 | 78, 77 | eqeltrd 2273 |
. . . . . 6
 
    
        |
| 80 | 1 | adantr 276 |
. . . . . . 7
 

    |
| 81 | 2 | adantr 276 |
. . . . . . 7
 

  
DECID   |
| 82 | 3 | adantr 276 |
. . . . . . 7
 

  
   |
| 83 | | simprl 529 |
. . . . . . 7
 

 
  |
| 84 | | simprr 531 |
. . . . . . 7
 

    |
| 85 | 80, 81, 82, 83, 84 | nninfdclemcl 12690 |
. . . . . 6
 

      inf                |
| 86 | 70, 79, 85 | seq3p1 10574 |
. . . . 5
     
inf                  
        inf                     
inf                        |
| 87 | 68, 86 | eqtrid 2241 |
. . . 4
    
        inf                     
inf                        |
| 88 | 5 | fveq1i 5562 |
. . . . . . 7
        
inf                    |
| 89 | 88 | eqcomi 2200 |
. . . . . 6
     inf                        |
| 90 | 89 | a1i 9 |
. . . . 5
     
inf                         |
| 91 | | eqidd 2197 |
. . . . . 6
     |
| 92 | 71, 91, 14, 76 | fvmptd3 5658 |
. . . . 5
      
    |
| 93 | 90, 92 | oveq12d 5943 |
. . . 4
       inf                      inf                              inf                |
| 94 | 1, 76 | sseldd 3185 |
. . . . 5
   |
| 95 | | eleq1w 2257 |
. . . . . . . . . . . . 13
 
   |
| 96 | 95 | dcbid 839 |
. . . . . . . . . . . 12
 DECID
DECID
   |
| 97 | 2 | adantr 276 |
. . . . . . . . . . . 12
 

 DECID   |
| 98 | | simpr 110 |
. . . . . . . . . . . 12
 

  |
| 99 | 96, 97, 98 | rspcdva 2873 |
. . . . . . . . . . 11
 

DECID
  |
| 100 | 98 | nnzd 9464 |
. . . . . . . . . . . 12
 

  |
| 101 | | eluzdc 9701 |
. . . . . . . . . . . 12
       
 DECID             |
| 102 | 12, 100, 101 | syl2an2r 595 |
. . . . . . . . . . 11
 

DECID
            |
| 103 | | dcan2 936 |
. . . . . . . . . . 11
DECID
DECID
          DECID 
              |
| 104 | 99, 102, 103 | sylc 62 |
. . . . . . . . . 10
 

DECID 
             |
| 105 | | elin 3347 |
. . . . . . . . . . 11
                           |
| 106 | 105 | dcbii 841 |
. . . . . . . . . 10
DECID             DECID 
             |
| 107 | 104, 106 | sylibr 134 |
. . . . . . . . 9
 

DECID
              |
| 108 | 107 | ralrimiva 2570 |
. . . . . . . 8
  DECID               |
| 109 | | eleq1w 2257 |
. . . . . . . . . 10
             

              |
| 110 | 109 | dcbid 839 |
. . . . . . . . 9
 DECID             DECID                |
| 111 | 110 | cbvralv 2729 |
. . . . . . . 8
 
DECID
           
 DECID               |
| 112 | 108, 111 | sylib 122 |
. . . . . . 7
  DECID               |
| 113 | | nnmindc 12226 |
. . . . . . 7
             
 DECID             
             inf                             |
| 114 | 25, 112, 62, 113 | syl3anc 1249 |
. . . . . 6
 inf                             |
| 115 | 114 | elin1d 3353 |
. . . . 5
 inf                 |
| 116 | | fvoveq1 5948 |
. . . . . . . 8
                       |
| 117 | 116 | ineq2d 3365 |
. . . . . . 7
                           |
| 118 | 117 | infeq1d 7087 |
. . . . . 6
     inf           inf                 |
| 119 | | eqidd 2197 |
. . . . . 6
 inf               inf                 |
| 120 | | eqid 2196 |
. . . . . 6
  inf              inf             |
| 121 | 118, 119,
120 | ovmpog 6061 |
. . . . 5
     
inf                        inf              inf                 |
| 122 | 9, 94, 115, 121 | syl3anc 1249 |
. . . 4
         inf              inf                 |
| 123 | 87, 93, 122 | 3eqtrd 2233 |
. . 3
    
  inf                 |
| 124 | 67, 123 | breqtrrd 4062 |
. 2
      
        |
| 125 | 10, 13, 17, 18, 124 | ltletrd 8467 |
1
    
        |