| Step | Hyp | Ref
| Expression |
| 1 | | yoneda.m |
. . . . 5
 
 
            Nat                 |
| 2 | | ovex 6678 |
. . . . . 6
           Nat     |
| 3 | 2 | mptex 6486 |
. . . . 5
            Nat                |
| 4 | 1, 3 | fnmpt2i 7239 |
. . . 4
     |
| 5 | 4 | a1i 11 |
. . 3
  
    |
| 6 | | yoneda.y |
. . . . . . . 8
Yon   |
| 7 | | yoneda.b |
. . . . . . . 8
     |
| 8 | | yoneda.1 |
. . . . . . . 8
     |
| 9 | | yoneda.o |
. . . . . . . 8
oppCat   |
| 10 | | yoneda.s |
. . . . . . . 8
     |
| 11 | | yoneda.t |
. . . . . . . 8
     |
| 12 | | yoneda.q |
. . . . . . . 8
 FuncCat
  |
| 13 | | yoneda.h |
. . . . . . . 8
HomF   |
| 14 | | yoneda.r |
. . . . . . . 8
  c  FuncCat   |
| 15 | | yoneda.e |
. . . . . . . 8

evalF   |
| 16 | | yoneda.z |
. . . . . . . 8
 func
        tpos
     func
 F  
〈,〉F  F
    |
| 17 | | yoneda.c |
. . . . . . . . 9
   |
| 18 | 17 | adantr 481 |
. . . . . . . 8
 
  
 
  |
| 19 | | yoneda.w |
. . . . . . . . 9
   |
| 20 | 19 | adantr 481 |
. . . . . . . 8
 
  
 
  |
| 21 | | yoneda.u |
. . . . . . . . 9
  f
    |
| 22 | 21 | adantr 481 |
. . . . . . . 8
 
  
  
f     |
| 23 | | yoneda.v |
. . . . . . . . 9
   f   
  |
| 24 | 23 | adantr 481 |
. . . . . . . 8
 
  
  
 f      |
| 25 | | simprl 794 |
. . . . . . . 8
 
  
      |
| 26 | | simprr 796 |
. . . . . . . 8
 
  
    |
| 27 | 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 22, 24, 25, 26, 1 | yonedalem3a 16914 |
. . . . . . 7
 
  
                   Nat                                          |
| 28 | 27 | simprd 479 |
. . . . . 6
 
  
                            |
| 29 | | eqid 2622 |
. . . . . . 7
       |
| 30 | | eqid 2622 |
. . . . . . . . . . 11
 c   c   |
| 31 | 12 | fucbas 16620 |
. . . . . . . . . . 11
       |
| 32 | 9, 7 | oppcbas 16378 |
. . . . . . . . . . 11
     |
| 33 | 30, 31, 32 | xpcbas 16818 |
. . . . . . . . . 10
 
      c    |
| 34 | | eqid 2622 |
. . . . . . . . . 10
         |
| 35 | | relfunc 16522 |
. . . . . . . . . . 11
  c    |
| 36 | 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 21, 23 | yonedalem1 16912 |
. . . . . . . . . . . 12
    c     c 
    |
| 37 | 36 | simpld 475 |
. . . . . . . . . . 11
   c     |
| 38 | | 1st2ndbr 7217 |
. . . . . . . . . . 11
    c  
  c 
 
       c          |
| 39 | 35, 37, 38 | sylancr 695 |
. . . . . . . . . 10
        c          |
| 40 | 33, 34, 39 | funcf1 16526 |
. . . . . . . . 9
        
          |
| 41 | 40 | fovrnda 6805 |
. . . . . . . 8
 
  
                |
| 42 | 11, 20 | setcbas 16728 |
. . . . . . . 8
 
  
 
      |
| 43 | 41, 42 | eleqtrrd 2704 |
. . . . . . 7
 
  
            |
| 44 | 36 | simprd 479 |
. . . . . . . . . . 11
   c     |
| 45 | | 1st2ndbr 7217 |
. . . . . . . . . . 11
    c  
  c 
 
       c          |
| 46 | 35, 44, 45 | sylancr 695 |
. . . . . . . . . 10
        c          |
| 47 | 33, 34, 46 | funcf1 16526 |
. . . . . . . . 9
        
          |
| 48 | 47 | fovrnda 6805 |
. . . . . . . 8
 
  
                |
| 49 | 48, 42 | eleqtrrd 2704 |
. . . . . . 7
 
  
            |
| 50 | 11, 20, 29, 43, 49 | elsetchom 16731 |
. . . . . 6
 
  
                             
                           |
| 51 | 28, 50 | mpbird 247 |
. . . . 5
 
  
                               |
| 52 | 51 | ralrimivva 2971 |
. . . 4
  
  
                             |
| 53 | | fveq2 6191 |
. . . . . . 7
                 |
| 54 | | df-ov 6653 |
. . . . . . 7
            |
| 55 | 53, 54 | syl6eqr 2674 |
. . . . . 6
              |
| 56 | | fveq2 6191 |
. . . . . . . 8
                         |
| 57 | | df-ov 6653 |
. . . . . . . 8
                    |
| 58 | 56, 57 | syl6eqr 2674 |
. . . . . . 7
                      |
| 59 | | fveq2 6191 |
. . . . . . . 8
                         |
| 60 | | df-ov 6653 |
. . . . . . . 8
                    |
| 61 | 59, 60 | syl6eqr 2674 |
. . . . . . 7
                      |
| 62 | 58, 61 | oveq12d 6668 |
. . . . . 6
                                                    |
| 63 | 55, 62 | eleq12d 2695 |
. . . . 5
                               
                              |
| 64 | 63 | ralxp 5263 |
. . . 4
 
                               
                                  |
| 65 | 52, 64 | sylibr 224 |
. . 3
                     
              |
| 66 | | ovex 6678 |
. . . . . 6
   |
| 67 | | fvex 6201 |
. . . . . . 7
     |
| 68 | 7, 67 | eqeltri 2697 |
. . . . . 6
 |
| 69 | 66, 68 | mpt2ex 7247 |
. . . . 5
                Nat                 |
| 70 | 1, 69 | eqeltri 2697 |
. . . 4
 |
| 71 | 70 | elixp 7915 |
. . 3
                             
                         
               |
| 72 | 5, 65, 71 | sylanbrc 698 |
. 2
                                |
| 73 | 17 | adantr 481 |
. . . . 5
 
              c      
  |
| 74 | 19 | adantr 481 |
. . . . 5
 
              c      
  |
| 75 | 21 | adantr 481 |
. . . . 5
 
              c       
f     |
| 76 | 23 | adantr 481 |
. . . . 5
 
              c       
 f      |
| 77 | | simpr1 1067 |
. . . . . 6
 
              c        
    |
| 78 | | xp1st 7198 |
. . . . . 6
    
    
   |
| 79 | 77, 78 | syl 17 |
. . . . 5
 
              c               |
| 80 | | xp2nd 7199 |
. . . . . 6
    
      |
| 81 | 77, 80 | syl 17 |
. . . . 5
 
              c             |
| 82 | | simpr2 1068 |
. . . . . 6
 
              c      
      |
| 83 | | xp1st 7198 |
. . . . . 6
    
    
   |
| 84 | 82, 83 | syl 17 |
. . . . 5
 
              c               |
| 85 | | xp2nd 7199 |
. . . . . 6
    
      |
| 86 | 82, 85 | syl 17 |
. . . . 5
 
              c             |
| 87 | | simpr3 1069 |
. . . . . . 7
 
              c            c       |
| 88 | | eqid 2622 |
. . . . . . . . . 10
 Nat   Nat   |
| 89 | 12, 88 | fuchom 16621 |
. . . . . . . . 9
 Nat      |
| 90 | | eqid 2622 |
. . . . . . . . 9
       |
| 91 | | eqid 2622 |
. . . . . . . . 9
   c      c    |
| 92 | 30, 33, 89, 90, 91, 77, 82 | xpchom 16820 |
. . . . . . . 8
 
              c            c             Nat                          |
| 93 | | eqid 2622 |
. . . . . . . . . 10
       |
| 94 | 93, 9 | oppchom 16375 |
. . . . . . . . 9
                               |
| 95 | 94 | xpeq2i 5136 |
. . . . . . . 8
        Nat                                Nat                         |
| 96 | 92, 95 | syl6eq 2672 |
. . . . . . 7
 
              c            c             Nat                          |
| 97 | 87, 96 | eleqtrd 2703 |
. . . . . 6
 
              c               Nat                          |
| 98 | | xp1st 7198 |
. . . . . 6
         Nat                                   Nat          |
| 99 | 97, 98 | syl 17 |
. . . . 5
 
              c                  Nat          |
| 100 | | xp2nd 7199 |
. . . . . 6
         Nat                                             |
| 101 | 97, 100 | syl 17 |
. . . . 5
 
              c                            |
| 102 | 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 73, 74, 75, 76, 79, 81, 84, 86, 99, 101, 1 | yonedalem3b 16919 |
. . . 4
 
              c                                                          comp                                                                                                                                                 comp                                    |
| 103 | | 1st2nd2 7205 |
. . . . . . . . . 10
    
             |
| 104 | 77, 103 | syl 17 |
. . . . . . . . 9
 
              c                    |
| 105 | 104 | fveq2d 6195 |
. . . . . . . 8
 
              c                                    |
| 106 | | df-ov 6653 |
. . . . . . . 8
                                    |
| 107 | 105, 106 | syl6eqr 2674 |
. . . . . . 7
 
              c                                 |
| 108 | | 1st2nd2 7205 |
. . . . . . . . . 10
    
             |
| 109 | 82, 108 | syl 17 |
. . . . . . . . 9
 
              c      
             |
| 110 | 109 | fveq2d 6195 |
. . . . . . . 8
 
              c                                    |
| 111 | | df-ov 6653 |
. . . . . . . 8
                                    |
| 112 | 110, 111 | syl6eqr 2674 |
. . . . . . 7
 
              c                                 |
| 113 | 107, 112 | opeq12d 4410 |
. . . . . 6
 
              c                                                               |
| 114 | 109 | fveq2d 6195 |
. . . . . . 7
 
              c                                    |
| 115 | | df-ov 6653 |
. . . . . . 7
                                    |
| 116 | 114, 115 | syl6eqr 2674 |
. . . . . 6
 
              c                                 |
| 117 | 113, 116 | oveq12d 6668 |
. . . . 5
 
              c                            comp                                                 comp                      |
| 118 | 109 | fveq2d 6195 |
. . . . . 6
 
              c                            |
| 119 | | df-ov 6653 |
. . . . . 6
                            |
| 120 | 118, 119 | syl6eqr 2674 |
. . . . 5
 
              c                         |
| 121 | 104, 109 | oveq12d 6668 |
. . . . . . 7
 
              c                                               |
| 122 | | 1st2nd2 7205 |
. . . . . . . 8
         Nat                                     |
| 123 | 97, 122 | syl 17 |
. . . . . . 7
 
              c                    |
| 124 | 121, 123 | fveq12d 6197 |
. . . . . 6
 
              c                                                                  |
| 125 | | df-ov 6653 |
. . . . . 6
                                                                                        |
| 126 | 124, 125 | syl6eqr 2674 |
. . . . 5
 
              c                                                               |
| 127 | 117, 120,
126 | oveq123d 6671 |
. . . 4
 
              c                                  comp                                                                             comp                                                                  |
| 128 | 104 | fveq2d 6195 |
. . . . . . . 8
 
              c                                    |
| 129 | | df-ov 6653 |
. . . . . . . 8
                                    |
| 130 | 128, 129 | syl6eqr 2674 |
. . . . . . 7
 
              c                                 |
| 131 | 107, 130 | opeq12d 4410 |
. . . . . 6
 
              c                                                               |
| 132 | 131, 116 | oveq12d 6668 |
. . . . 5
 
              c                            comp                                                 comp                      |
| 133 | 104, 109 | oveq12d 6668 |
. . . . . . 7
 
              c                                               |
| 134 | 133, 123 | fveq12d 6197 |
. . . . . 6
 
              c                                                                  |
| 135 | | df-ov 6653 |
. . . . . 6
                                                                                        |
| 136 | 134, 135 | syl6eqr 2674 |
. . . . 5
 
              c                                                               |
| 137 | 104 | fveq2d 6195 |
. . . . . 6
 
              c                            |
| 138 | | df-ov 6653 |
. . . . . 6
                            |
| 139 | 137, 138 | syl6eqr 2674 |
. . . . 5
 
              c                         |
| 140 | 132, 136,
139 | oveq123d 6671 |
. . . 4
 
              c                                          comp                                                                                                   comp                                    |
| 141 | 102, 127,
140 | 3eqtr4d 2666 |
. . 3
 
              c                                  comp                                                             comp                    |
| 142 | 141 | ralrimivvva 2972 |
. 2
                   c                                 comp                                                             comp                    |
| 143 | | eqid 2622 |
. . 3
  c  Nat    c  Nat   |
| 144 | | eqid 2622 |
. . 3
comp  comp   |
| 145 | 143, 33, 91, 29, 144, 37, 44 | isnat2 16608 |
. 2
      c  Nat   
                              
                 c                                 comp                                                             comp                      |
| 146 | 72, 142, 145 | mpbir2and 957 |
1
     c  Nat      |