Proof of Theorem phtpyid
| Step | Hyp | Ref
| Expression |
| 1 | | simpl 346 |
. . 3
  Top
 Cn   Top |
| 2 | | simpr 350 |
. . 3
  Top
 Cn    Cn    |
| 3 | | eqidd 1885 |
. . 3
  Top
 Cn             |
| 4 | | eqidd 1885 |
. . 3
  Top
 Cn             |
| 5 | | isphtpy 16048 |
. . 3
   Top
 Cn   Cn                         PHtpy         Cn 
  [,]                                            |
| 6 | 1, 2, 2, 3, 4, 5 | syl32anc 1108 |
. 2
  Top
 Cn      PHtpy         Cn    [,]                                            |
| 7 | | iitop 15867 |
. . . . 5
Top |
| 8 | | iiuni 15868 |
. . . . . 6
 [,]   |
| 9 | | eqid 1884 |
. . . . . 6
   |
| 10 | 8, 9 | cnf 9038 |
. . . . 5
  Top Top
 Cn      [,]      |
| 11 | 7, 10 | mp3an1 1178 |
. . . 4
  Top
 Cn      [,]      |
| 12 | | ffn 4562 |
. . . . 5
    [,]   
 [,]   |
| 13 | | simpl 346 |
. . . . . 6
   [,]  [,]   [,]   |
| 14 | | df1st2 5068 |
. . . . . . . 8
         
   |
| 15 | | reseq1 4218 |
. . . . . . . 8
         
       
      [,]  [,]    
     [,]  [,]     |
| 16 | 14, 15 | ax-mp 7 |
. . . . . . 7
           [,]  [,]     
 
  [,]  [,]    |
| 17 | | resoprab 4938 |
. . . . . . 7
           [,]  [,]             [,]  [,]     |
| 18 | | xpss 4056 |
. . . . . . . 8
  [,]  [,]  
  |
| 19 | | resabs1 4244 |
. . . . . . . 8
   [,]  [,]  

 
     [,]  [,]      [,]  [,]     |
| 20 | 18, 19 | ax-mp 7 |
. . . . . . 7
  
 
  [,]  [,]   
  [,]  [,]    |
| 21 | 16, 17, 20 | 3eqtr3ri 1920 |
. . . . . 6
   [,]  [,]             [,]  [,]     |
| 22 | | phtpyid.1 |
. . . . . 6
          [,]  [,]         |
| 23 | 13, 21, 22 | oprabco 10159 |
. . . . 5

 [,]     [,]  [,]      |
| 24 | 12, 23 | syl 12 |
. . . 4
    [,]   

   [,]  [,]      |
| 25 | 11, 24 | syl 12 |
. . 3
  Top
 Cn       [,]  [,]      |
| 26 | | eqid 1884 |
. . . . . . 7
       |
| 27 | 26 | txtop 8934 |
. . . . . 6
  Top
Top    Top |
| 28 | 7, 7, 27 | mp2an 761 |
. . . . 5
   Top |
| 29 | 28 | a1i 8 |
. . . 4
  Top
 Cn      Top |
| 30 | 7 | a1i 8 |
. . . 4
  Top
 Cn   Top |
| 31 | | eqid 1884 |
. . . . . . 7
  [,]  [,]    [,]  [,]   |
| 32 | 26, 8, 8, 31 | tx1cn 10223 |
. . . . . 6
  Top
Top 
  [,]  [,]       Cn
   |
| 33 | 7, 7, 32 | mp2an 761 |
. . . . 5
   [,]  [,]       Cn   |
| 34 | 2, 33 | jctil 316 |
. . . 4
  Top
 Cn       [,]  [,]       Cn   Cn     |
| 35 | | cnco 9045 |
. . . 4
      Top Top
Top     [,]  [,]       Cn   Cn        [,]  [,]        Cn    |
| 36 | 29, 30, 1, 34, 35 | syl31anc 1103 |
. . 3
  Top
 Cn    
  [,]  [,]        Cn    |
| 37 | 25, 36 | eqeltrd 1971 |
. 2
  Top
 Cn       Cn    |
| 38 | | 0re 6603 |
. . . . . . 7
 |
| 39 | | 1re 6598 |
. . . . . . 7
 |
| 40 | | lt01 6871 |
. . . . . . . 8
 |
| 41 | 38, 39, 40 | ltleii 6756 |
. . . . . . 7
 |
| 42 | | lbicc2 7573 |
. . . . . . 7
    [,]   |
| 43 | 38, 39, 41, 42 | mp3an 1191 |
. . . . . 6
 [,]  |
| 44 | | fvex 4689 |
. . . . . . 7
     |
| 45 | | fveq2 4681 |
. . . . . . 7
           |
| 46 | | eqidd 1885 |
. . . . . . 7
           |
| 47 | 44, 45, 46, 22 | oprabval2 4957 |
. . . . . 6
   [,]  [,]            |
| 48 | 43, 47 | mpan2 760 |
. . . . 5
  [,]           |
| 49 | | ubicc2 7574 |
. . . . . . 7
    [,]   |
| 50 | 38, 39, 41, 49 | mp3an 1191 |
. . . . . 6
 [,]  |
| 51 | | eqidd 1885 |
. . . . . . 7
           |
| 52 | 44, 45, 51, 22 | oprabval2 4957 |
. . . . . 6
   [,]  [,]            |
| 53 | 50, 52 | mpan2 760 |
. . . . 5
  [,]           |
| 54 | | fvex 4689 |
. . . . . . . 8
     |
| 55 | | fveq2 4681 |
. . . . . . . 8
           |
| 56 | | eqidd 1885 |
. . . . . . . 8
           |
| 57 | 54, 55, 56, 22 | oprabval2 4957 |
. . . . . . 7
   [,]  [,]            |
| 58 | 43, 57 | mpan 759 |
. . . . . 6
  [,]           |
| 59 | | fvex 4689 |
. . . . . . . 8
     |
| 60 | | fveq2 4681 |
. . . . . . . 8
           |
| 61 | | eqidd 1885 |
. . . . . . . 8
           |
| 62 | 59, 60, 61, 22 | oprabval2 4957 |
. . . . . . 7
   [,]  [,]            |
| 63 | 50, 62 | mpan 759 |
. . . . . 6
  [,]           |
| 64 | 58, 63 | jca 310 |
. . . . 5
  [,]                     |
| 65 | 48, 53, 64 | jca31 311 |
. . . 4
  [,]                                         |
| 66 | 65 | adantl 424 |
. . 3
   Top
 Cn    [,]                                          |
| 67 | 66 | r19.21aiva 2176 |
. 2
  Top
 Cn     [,]                                          |
| 68 | 6, 37, 67 | mpbir2and 802 |
1
  Top
 Cn     PHtpy      |