| Step | Hyp | Ref
| Expression |
| 1 | | mnfxr 10096 |
. . . . 5
 |
| 2 | 1 | a1i 11 |
. . . 4
    


            |
| 3 | | renegcl 10344 |
. . . . . 6
    |
| 4 | 3 | rexrd 10089 |
. . . . 5
    |
| 5 | 4 | ad2antlr 763 |
. . . 4
    


             |
| 6 | | limsupre.f |
. . . . . . 7
       |
| 7 | | reex 10027 |
. . . . . . . . 9
 |
| 8 | 7 | a1i 11 |
. . . . . . . 8
   |
| 9 | | limsupre.1 |
. . . . . . . 8

  |
| 10 | 8, 9 | ssexd 4805 |
. . . . . . 7
   |
| 11 | | fex 6490 |
. . . . . . 7
     
   |
| 12 | 6, 10, 11 | syl2anc 693 |
. . . . . 6
   |
| 13 | | limsupcl 14204 |
. . . . . 6
       |
| 14 | 12, 13 | syl 17 |
. . . . 5
       |
| 15 | 14 | ad2antrr 762 |
. . . 4
    


                |
| 16 | 3 | mnfltd 11958 |
. . . . 5
    |
| 17 | 16 | ad2antlr 763 |
. . . 4
    


             |
| 18 | 9 | ad2antrr 762 |
. . . . 5
    


            |
| 19 | | ressxr 10083 |
. . . . . . . 8
 |
| 20 | 19 | a1i 11 |
. . . . . . 7

  |
| 21 | 6, 20 | fssd 6057 |
. . . . . 6
       |
| 22 | 21 | ad2antrr 762 |
. . . . 5
    


                |
| 23 | | limsupre.2 |
. . . . . 6
       |
| 24 | 23 | ad2antrr 762 |
. . . . 5
    


                |
| 25 | | simpr 477 |
. . . . . . 7
    


            
           |
| 26 | | nfv 1843 |
. . . . . . . . 9
     |
| 27 | | nfre1 3005 |
. . . . . . . . 9
    
          |
| 28 | 26, 27 | nfan 1828 |
. . . . . . . 8
   
   
           |
| 29 | | nfv 1843 |
. . . . . . . . . . . 12
     |
| 30 | | nfv 1843 |
. . . . . . . . . . . 12
  |
| 31 | | nfra1 2941 |
. . . . . . . . . . . 12
           
  |
| 32 | 29, 30, 31 | nf3an 1831 |
. . . . . . . . . . 11
   

         
   |
| 33 | | simp13 1093 |
. . . . . . . . . . . . . . 15
   

         
 



           |
| 34 | | simp2 1062 |
. . . . . . . . . . . . . . 15
   

         
 

  |
| 35 | | simp3 1063 |
. . . . . . . . . . . . . . 15
   

         
 

  |
| 36 | | rspa 2930 |
. . . . . . . . . . . . . . . 16
           



           |
| 37 | 36 | imp 445 |
. . . . . . . . . . . . . . 15
    
        
            |
| 38 | 33, 34, 35, 37 | syl21anc 1325 |
. . . . . . . . . . . . . 14
   

         
 

          |
| 39 | | simp11l 1172 |
. . . . . . . . . . . . . . . 16
   

         
 

  |
| 40 | 6 | ffvelrnda 6359 |
. . . . . . . . . . . . . . . 16
 
       |
| 41 | 39, 34, 40 | syl2anc 693 |
. . . . . . . . . . . . . . 15
   

         
 

      |
| 42 | | simp11r 1173 |
. . . . . . . . . . . . . . 15
   

         
 

  |
| 43 | 41, 42 | absled 14169 |
. . . . . . . . . . . . . 14
   

         
 

              
        |
| 44 | 38, 43 | mpbid 222 |
. . . . . . . . . . . . 13
   

         
 

     
       |
| 45 | 44 | simpld 475 |
. . . . . . . . . . . 12
   

         
 

       |
| 46 | 45 | 3exp 1264 |
. . . . . . . . . . 11
    

                     |
| 47 | 32, 46 | ralrimi 2957 |
. . . . . . . . . 10
    

          

        |
| 48 | 47 | 3exp 1264 |
. . . . . . . . 9
 

  
        
             |
| 49 | 48 | adantr 481 |
. . . . . . . 8
    


                     
             |
| 50 | 28, 49 | reximdai 3012 |
. . . . . . 7
    


           
 
         
 
         |
| 51 | 25, 50 | mpd 15 |
. . . . . 6
    


            
        |
| 52 | | breq2 4657 |
. . . . . . . . . 10
 
   |
| 53 | | fveq2 6191 |
. . . . . . . . . . 11
           |
| 54 | 53 | breq2d 4665 |
. . . . . . . . . 10
  
   
        |
| 55 | 52, 54 | imbi12d 334 |
. . . . . . . . 9
         
         |
| 56 | 55 | cbvralv 3171 |
. . . . . . . 8
 

     


        |
| 57 | | breq1 4656 |
. . . . . . . . . 10
 
   |
| 58 | 57 | imbi1d 331 |
. . . . . . . . 9
         
         |
| 59 | 58 | ralbidv 2986 |
. . . . . . . 8
  


    


         |
| 60 | 56, 59 | syl5bb 272 |
. . . . . . 7
  


    


         |
| 61 | 60 | cbvrexv 3172 |
. . . . . 6
  

     
  
        |
| 62 | 51, 61 | sylibr 224 |
. . . . 5
    


            
        |
| 63 | 18, 22, 5, 24, 62 | limsupbnd2 14214 |
. . . 4
    


                 |
| 64 | 2, 5, 15, 17, 63 | xrltletrd 11992 |
. . 3
    


                |
| 65 | | limsupre.bnd |
. . 3
   

           |
| 66 | 64, 65 | r19.29a 3078 |
. 2

      |
| 67 | | rexr 10085 |
. . . . 5
   |
| 68 | 67 | ad2antlr 763 |
. . . 4
    


            |
| 69 | | pnfxr 10092 |
. . . . 5
 |
| 70 | 69 | a1i 11 |
. . . 4
    


            |
| 71 | 44 | simprd 479 |
. . . . . . . . . . . 12
   

         
 

      |
| 72 | 71 | 3exp 1264 |
. . . . . . . . . . 11
    

               
    |
| 73 | 32, 72 | ralrimi 2957 |
. . . . . . . . . 10
    

          

       |
| 74 | 73 | 3exp 1264 |
. . . . . . . . 9
 

  
        
      
     |
| 75 | 74 | adantr 481 |
. . . . . . . 8
    


                     
      
     |
| 76 | 28, 75 | reximdai 3012 |
. . . . . . 7
    


           
 
         
 
        |
| 77 | 25, 76 | mpd 15 |
. . . . . 6
    


            
       |
| 78 | 53 | breq1d 4663 |
. . . . . . . . . 10
     
       |
| 79 | 52, 78 | imbi12d 334 |
. . . . . . . . 9
      
 
        |
| 80 | 79 | cbvralv 3171 |
. . . . . . . 8
 

    


       |
| 81 | 57 | imbi1d 331 |
. . . . . . . . 9
      
 
        |
| 82 | 81 | ralbidv 2986 |
. . . . . . . 8
  

   
  
        |
| 83 | 80, 82 | syl5bb 272 |
. . . . . . 7
  

   
  
        |
| 84 | 83 | cbvrexv 3172 |
. . . . . 6
  

    
  
       |
| 85 | 77, 84 | sylibr 224 |
. . . . 5
    


            
       |
| 86 | 18, 22, 68, 85 | limsupbnd1 14213 |
. . . 4
    


                |
| 87 | | ltpnf 11954 |
. . . . 5
   |
| 88 | 87 | ad2antlr 763 |
. . . 4
    


            |
| 89 | 15, 68, 70, 86, 88 | xrlelttrd 11991 |
. . 3
    


                |
| 90 | 89, 65 | r19.29a 3078 |
. 2
       |
| 91 | | xrrebnd 11999 |
. . 3
         
            |
| 92 | 14, 91 | syl 17 |
. 2
     
            |
| 93 | 66, 90, 92 | mpbir2and 957 |
1
       |