Proof of Theorem ser1cmp2
| Step | Hyp | Ref
| Expression |
| 1 | | fveq2 3715 |
. . . . 5
             |
| 2 | | fveq2 3715 |
. . . . . 6
             |
| 3 | 2 | opreq2d 3967 |
. . . . 5
                 |
| 4 | 1, 3 | breq12d 2626 |
. . . 4
       
                     |
| 5 | 4 | imbi2d 611 |
. . 3
                                 |
| 6 | | fveq2 3715 |
. . . . 5
             |
| 7 | | fveq2 3715 |
. . . . . 6
             |
| 8 | 7 | opreq2d 3967 |
. . . . 5
                 |
| 9 | 6, 8 | breq12d 2626 |
. . . 4
       
          
          |
| 10 | 9 | imbi2d 611 |
. . 3
                                 |
| 11 | | fveq2 3715 |
. . . . 5
                 |
| 12 | | fveq2 3715 |
. . . . . 6
                 |
| 13 | 12 | opreq2d 3967 |
. . . . 5
               
     |
| 14 | 11, 13 | breq12d 2626 |
. . . 4
         
          
              |
| 15 | 14 | imbi2d 611 |
. . 3
                                       |
| 16 | | fveq2 3715 |
. . . . 5
             |
| 17 | | fveq2 3715 |
. . . . . 6
             |
| 18 | 17 | opreq2d 3967 |
. . . . 5
                 |
| 19 | 16, 18 | breq12d 2626 |
. . . 4
       
          
          |
| 20 | 19 | imbi2d 611 |
. . 3
                                 |
| 21 | | nnge1t 5899 |
. . . 4

  |
| 22 | | 1nn 5890 |
. . . . 5
 |
| 23 | | ser1cmp2.1 |
. . . . . 6
     |
| 24 | | ser1cmp2.2 |
. . . . . 6
     |
| 25 | | ser1cmp2.3 |
. . . . . 6

      |
| 26 | | ser1cmp2.4 |
. . . . . 6
  
          |
| 27 | | ser1cmp2.5 |
. . . . . 6
          |
| 28 | 23, 24, 25, 26, 27 | ser1cmp2lem 7120 |
. . . . 5
                   |
| 29 | 22, 28 | mpan 694 |
. . . 4

                |
| 30 | 21, 29 | mpd 26 |
. . 3

              |
| 31 | | lelttrit 5604 |
. . . . . . 7
             |
| 32 | | peano2nn 5891 |
. . . . . . . 8

    |
| 33 | | nnret 5885 |
. . . . . . . 8
       |
| 34 | 32, 33 | syl 10 |
. . . . . . 7

    |
| 35 | | nnret 5885 |
. . . . . . 7

  |
| 36 | 31, 34, 35 | syl2an 454 |
. . . . . 6
           |
| 37 | 23, 24, 25, 26, 27 | ser1cmp2lem 7120 |
. . . . . . . . 9
                           |
| 38 | 37, 32 | sylan 448 |
. . . . . . . 8
                         |
| 39 | 38 | a1dd 42 |
. . . . . . 7
           
           
               |
| 40 | | axaddrcl 5252 |
. . . . . . . . . . . . . 14
                       
     |
| 41 | 24 | ser1recl 6276 |
. . . . . . . . . . . . . 14

    
  |
| 42 | 24 | ffvelrni 3806 |
. . . . . . . . . . . . . . 15
      
    |
| 43 | 32, 42 | syl 10 |
. . . . . . . . . . . . . 14

   
    |
| 44 | 40, 41, 43 | sylanc 471 |
. . . . . . . . . . . . 13

               |
| 45 | 44 | ad2antrr 404 |
. . . . . . . . . . . 12
            
                 
     |
| 46 | | axaddrcl 5252 |
. . . . . . . . . . . . . . 15
                                 |
| 47 | | axaddrcl 5252 |
. . . . . . . . . . . . . . . . 17
                 |
| 48 | 24 | ser1ref 6277 |
. . . . . . . . . . . . . . . . . . . 20
      |
| 49 | 48 | seq1ublem 6856 |
. . . . . . . . . . . . . . . . . . 19


    
                |
| 50 | | suprcl 6010 |
. . . . . . . . . . . . . . . . . . 19
      
                         |
| 51 | 49, 50 | syl 10 |
. . . . . . . . . . . . . . . . . 18

        
 |