| Step | Hyp | Ref
| Expression |
| 1 | | pcohtpy.5 |
. . . . 5
       |
| 2 | | isphtpc 22793 |
. . . . 5
 
     


           |
| 3 | 1, 2 | sylib 208 |
. . . 4
                 |
| 4 | 3 | simp1d 1073 |
. . 3
     |
| 5 | | pcohtpy.6 |
. . . . 5
       |
| 6 | | isphtpc 22793 |
. . . . 5
 
     


           |
| 7 | 5, 6 | sylib 208 |
. . . 4
                 |
| 8 | 7 | simp1d 1073 |
. . 3
     |
| 9 | | pcohtpy.4 |
. . 3
           |
| 10 | 4, 8, 9 | pcocn 22817 |
. 2
             |
| 11 | 3 | simp2d 1074 |
. . 3
     |
| 12 | 7 | simp2d 1074 |
. . 3
     |
| 13 | | pcohtpylem.8 |
. . . . . 6
           |
| 14 | 4, 11, 13 | phtpy01 22784 |
. . . . 5
                     |
| 15 | 14 | simprd 479 |
. . . 4
           |
| 16 | | pcohtpylem.9 |
. . . . . 6
           |
| 17 | 8, 12, 16 | phtpy01 22784 |
. . . . 5
                     |
| 18 | 17 | simpld 475 |
. . . 4
           |
| 19 | 9, 15, 18 | 3eqtr3d 2664 |
. . 3
           |
| 20 | 11, 12, 19 | pcocn 22817 |
. 2
             |
| 21 | | pcohtpylem.7 |
. . 3
   ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)                         |
| 22 | | eqid 2622 |
. . . 4
         |
| 23 | | eqid 2622 |
. . . 4
     ↾t   ![[,] [,]](_icc.gif)          ↾t   ![[,] [,]](_icc.gif)      |
| 24 | | eqid 2622 |
. . . 4
     ↾t     ![[,] [,]](_icc.gif)        ↾t     ![[,] [,]](_icc.gif)    |
| 25 | | dfii2 22685 |
. . . 4
     ↾t   ![[,] [,]](_icc.gif)    |
| 26 | | 0red 10041 |
. . . 4
   |
| 27 | | 1red 10055 |
. . . 4
   |
| 28 | | halfre 11246 |
. . . . . 6
   |
| 29 | | 0re 10040 |
. . . . . . 7
 |
| 30 | | halfgt0 11248 |
. . . . . . 7
   |
| 31 | 29, 28, 30 | ltleii 10160 |
. . . . . 6
   |
| 32 | | 1re 10039 |
. . . . . . 7
 |
| 33 | | halflt1 11250 |
. . . . . . 7
   |
| 34 | 28, 32, 33 | ltleii 10160 |
. . . . . 6
   |
| 35 | 29, 32 | elicc2i 12239 |
. . . . . 6
     ![[,] [,]](_icc.gif) 
    
     |
| 36 | 28, 31, 34, 35 | mpbir3an 1244 |
. . . . 5
    ![[,] [,]](_icc.gif)   |
| 37 | 36 | a1i 11 |
. . . 4
     ![[,] [,]](_icc.gif)    |
| 38 | | iitopon 22682 |
. . . . 5
TopOn   ![[,] [,]](_icc.gif)    |
| 39 | 38 | a1i 11 |
. . . 4
 TopOn   ![[,] [,]](_icc.gif)     |
| 40 | 9 | adantr 481 |
. . . . . 6
 
     ![[,] [,]](_icc.gif)              |
| 41 | 4, 11, 13 | phtpyi 22783 |
. . . . . . . 8
 
  ![[,] [,]](_icc.gif)                       |
| 42 | 41 | simprd 479 |
. . . . . . 7
 
  ![[,] [,]](_icc.gif)             |
| 43 | 42 | adantrl 752 |
. . . . . 6
 
     ![[,] [,]](_icc.gif)              |
| 44 | 8, 12, 16 | phtpyi 22783 |
. . . . . . . 8
 
  ![[,] [,]](_icc.gif)                       |
| 45 | 44 | simpld 475 |
. . . . . . 7
 
  ![[,] [,]](_icc.gif)             |
| 46 | 45 | adantrl 752 |
. . . . . 6
 
     ![[,] [,]](_icc.gif)              |
| 47 | 40, 43, 46 | 3eqtr4d 2666 |
. . . . 5
 
     ![[,] [,]](_icc.gif)              |
| 48 | | simprl 794 |
. . . . . . . 8
 
     ![[,] [,]](_icc.gif)   
    |
| 49 | 48 | oveq2d 6666 |
. . . . . . 7
 
     ![[,] [,]](_icc.gif)            |
| 50 | | 2cn 11091 |
. . . . . . . 8
 |
| 51 | | 2ne0 11113 |
. . . . . . . 8
 |
| 52 | 50, 51 | recidi 10756 |
. . . . . . 7
     |
| 53 | 49, 52 | syl6eq 2672 |
. . . . . 6
 
     ![[,] [,]](_icc.gif)        |
| 54 | 53 | oveq1d 6665 |
. . . . 5
 
     ![[,] [,]](_icc.gif)                |
| 55 | 53 | oveq1d 6665 |
. . . . . . 7
 
     ![[,] [,]](_icc.gif)            |
| 56 | | 1m1e0 11089 |
. . . . . . 7
   |
| 57 | 55, 56 | syl6eq 2672 |
. . . . . 6
 
     ![[,] [,]](_icc.gif)          |
| 58 | 57 | oveq1d 6665 |
. . . . 5
 
     ![[,] [,]](_icc.gif)                  |
| 59 | 47, 54, 58 | 3eqtr4d 2666 |
. . . 4
 
     ![[,] [,]](_icc.gif)                    |
| 60 | | retopon 22567 |
. . . . . . 7
    TopOn   |
| 61 | | iccssre 12255 |
. . . . . . . 8
       ![[,] [,]](_icc.gif)      |
| 62 | 29, 28, 61 | mp2an 708 |
. . . . . . 7
  ![[,] [,]](_icc.gif)     |
| 63 | | resttopon 20965 |
. . . . . . 7
      TopOn    ![[,] [,]](_icc.gif)   
      ↾t   ![[,] [,]](_icc.gif)     TopOn   ![[,] [,]](_icc.gif)       |
| 64 | 60, 62, 63 | mp2an 708 |
. . . . . 6
     ↾t   ![[,] [,]](_icc.gif)     TopOn   ![[,] [,]](_icc.gif)      |
| 65 | 64 | a1i 11 |
. . . . 5
      ↾t   ![[,] [,]](_icc.gif)     TopOn   ![[,] [,]](_icc.gif)       |
| 66 | 65, 39 | cnmpt1st 21471 |
. . . . . 6
    ![[,] [,]](_icc.gif)       ![[,] [,]](_icc.gif)         
↾t   ![[,] [,]](_icc.gif)     
     ↾t   ![[,] [,]](_icc.gif)        |
| 67 | 23 | iihalf1cn 22731 |
. . . . . . 7
   ![[,] [,]](_icc.gif)             ↾t   ![[,] [,]](_icc.gif)       |
| 68 | 67 | a1i 11 |
. . . . . 6
    ![[,] [,]](_icc.gif)             ↾t   ![[,] [,]](_icc.gif)        |
| 69 | | oveq2 6658 |
. . . . . 6
       |
| 70 | 65, 39, 66, 65, 68, 69 | cnmpt21 21474 |
. . . . 5
    ![[,] [,]](_icc.gif)       ![[,] [,]](_icc.gif)           
↾t   ![[,] [,]](_icc.gif)     
   |
| 71 | 65, 39 | cnmpt2nd 21472 |
. . . . 5
    ![[,] [,]](_icc.gif)       ![[,] [,]](_icc.gif)         
↾t   ![[,] [,]](_icc.gif)     
   |
| 72 | 4, 11 | phtpycn 22782 |
. . . . . 6
               |
| 73 | 72, 13 | sseldd 3604 |
. . . . 5
  
    |
| 74 | 65, 39, 70, 71, 73 | cnmpt22f 21478 |
. . . 4
    ![[,] [,]](_icc.gif)       ![[,] [,]](_icc.gif)               
↾t   ![[,] [,]](_icc.gif)     
   |
| 75 | | iccssre 12255 |
. . . . . . . 8
   
     ![[,] [,]](_icc.gif) 
  |
| 76 | 28, 32, 75 | mp2an 708 |
. . . . . . 7
    ![[,] [,]](_icc.gif)   |
| 77 | | resttopon 20965 |
. . . . . . 7
      TopOn      ![[,] [,]](_icc.gif) 
      ↾t     ![[,] [,]](_icc.gif)   TopOn     ![[,] [,]](_icc.gif)     |
| 78 | 60, 76, 77 | mp2an 708 |
. . . . . 6
     ↾t     ![[,] [,]](_icc.gif)   TopOn     ![[,] [,]](_icc.gif)    |
| 79 | 78 | a1i 11 |
. . . . 5
      ↾t     ![[,] [,]](_icc.gif)   TopOn     ![[,] [,]](_icc.gif)     |
| 80 | 79, 39 | cnmpt1st 21471 |
. . . . . 6
      ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)         
↾t     ![[,] [,]](_icc.gif)   
     ↾t     ![[,] [,]](_icc.gif)      |
| 81 | 24 | iihalf2cn 22733 |
. . . . . . 7
     ![[,] [,]](_icc.gif)             ↾t     ![[,] [,]](_icc.gif)     |
| 82 | 81 | a1i 11 |
. . . . . 6
      ![[,] [,]](_icc.gif)             ↾t     ![[,] [,]](_icc.gif)      |
| 83 | 69 | oveq1d 6665 |
. . . . . 6
           |
| 84 | 79, 39, 80, 79, 82, 83 | cnmpt21 21474 |
. . . . 5
      ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)             
↾t     ![[,] [,]](_icc.gif)   
   |
| 85 | 79, 39 | cnmpt2nd 21472 |
. . . . 5
      ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)         
↾t     ![[,] [,]](_icc.gif)   
   |
| 86 | 8, 12 | phtpycn 22782 |
. . . . . 6
               |
| 87 | 86, 16 | sseldd 3604 |
. . . . 5
  
    |
| 88 | 79, 39, 84, 85, 87 | cnmpt22f 21478 |
. . . 4
      ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)                 
↾t     ![[,] [,]](_icc.gif)   
   |
| 89 | 22, 23, 24, 25, 26, 27, 37, 39, 59, 74, 88 | cnmpt2pc 22727 |
. . 3
    ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)                          
   |
| 90 | 21, 89 | syl5eqel 2705 |
. 2
  
    |
| 91 | | simpll 790 |
. . . . . . 7
     ![[,] [,]](_icc.gif)        |
| 92 | | elii1 22734 |
. . . . . . . . 9
   ![[,] [,]](_icc.gif)   
   ![[,] [,]](_icc.gif) 
     |
| 93 | | iihalf1 22730 |
. . . . . . . . 9
   ![[,] [,]](_icc.gif)        ![[,] [,]](_icc.gif)    |
| 94 | 92, 93 | sylbir 225 |
. . . . . . . 8
    ![[,] [,]](_icc.gif)         ![[,] [,]](_icc.gif)    |
| 95 | 94 | adantll 750 |
. . . . . . 7
     ![[,] [,]](_icc.gif)          ![[,] [,]](_icc.gif)    |
| 96 | 4, 11 | phtpyhtpy 22781 |
. . . . . . . . 9
            Htpy      |
| 97 | 96, 13 | sseldd 3604 |
. . . . . . . 8
    Htpy      |
| 98 | 39, 4, 11, 97 | htpyi 22773 |
. . . . . . 7
 
    ![[,] [,]](_icc.gif)                               |
| 99 | 91, 95, 98 | syl2anc 693 |
. . . . . 6
     ![[,] [,]](_icc.gif)                                  |
| 100 | 99 | simpld 475 |
. . . . 5
     ![[,] [,]](_icc.gif)                    |
| 101 | | iftrue 4092 |
. . . . . 6
                                |
| 102 | 101 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                   |
| 103 | | iftrue 4092 |
. . . . . 6
                                |
| 104 | 103 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                   |
| 105 | 100, 102,
104 | 3eqtr4d 2666 |
. . . 4
     ![[,] [,]](_icc.gif)                            
                     |
| 106 | | simpll 790 |
. . . . . . 7
     ![[,] [,]](_icc.gif)        |
| 107 | | elii2 22735 |
. . . . . . . . 9
    ![[,] [,]](_icc.gif) 
       ![[,] [,]](_icc.gif)    |
| 108 | 107 | adantll 750 |
. . . . . . . 8
     ![[,] [,]](_icc.gif)          ![[,] [,]](_icc.gif)    |
| 109 | | iihalf2 22732 |
. . . . . . . 8
     ![[,] [,]](_icc.gif)        ![[,] [,]](_icc.gif)    |
| 110 | 108, 109 | syl 17 |
. . . . . . 7
     ![[,] [,]](_icc.gif)            ![[,] [,]](_icc.gif)    |
| 111 | 8, 12 | phtpyhtpy 22781 |
. . . . . . . . 9
            Htpy      |
| 112 | 111, 16 | sseldd 3604 |
. . . . . . . 8
    Htpy      |
| 113 | 39, 8, 12, 112 | htpyi 22773 |
. . . . . . 7
 
      ![[,] [,]](_icc.gif)                                       |
| 114 | 106, 110,
113 | syl2anc 693 |
. . . . . 6
     ![[,] [,]](_icc.gif)                                          |
| 115 | 114 | simpld 475 |
. . . . 5
     ![[,] [,]](_icc.gif)                        |
| 116 | | iffalse 4095 |
. . . . . 6

                                 |
| 117 | 116 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                     |
| 118 | | iffalse 4095 |
. . . . . 6

                                 |
| 119 | 118 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                     |
| 120 | 115, 117,
119 | 3eqtr4d 2666 |
. . . 4
     ![[,] [,]](_icc.gif)                            
                     |
| 121 | 105, 120 | pm2.61dan 832 |
. . 3
 
  ![[,] [,]](_icc.gif)                         
                     |
| 122 | | simpr 477 |
. . . 4
 
  ![[,] [,]](_icc.gif)     ![[,] [,]](_icc.gif)    |
| 123 | | 0elunit 12290 |
. . . 4
  ![[,] [,]](_icc.gif)   |
| 124 | | simpl 473 |
. . . . . . 7
 
   |
| 125 | 124 | breq1d 4663 |
. . . . . 6
 
         |
| 126 | 124 | oveq2d 6666 |
. . . . . . 7
 
       |
| 127 | | simpr 477 |
. . . . . . 7
 
   |
| 128 | 126, 127 | oveq12d 6668 |
. . . . . 6
 
               |
| 129 | 126 | oveq1d 6665 |
. . . . . . 7
 
           |
| 130 | 129, 127 | oveq12d 6668 |
. . . . . 6
 
                   |
| 131 | 125, 128,
130 | ifbieq12d 4113 |
. . . . 5
 
                                             |
| 132 | | ovex 6678 |
. . . . . 6
       |
| 133 | | ovex 6678 |
. . . . . 6
         |
| 134 | 132, 133 | ifex 4156 |
. . . . 5
 
                    |
| 135 | 131, 21, 134 | ovmpt2a 6791 |
. . . 4
    ![[,] [,]](_icc.gif) 
  ![[,] [,]](_icc.gif)                              |
| 136 | 122, 123,
135 | sylancl 694 |
. . 3
 
  ![[,] [,]](_icc.gif)                              |
| 137 | 4, 8 | pcovalg 22812 |
. . 3
 
  ![[,] [,]](_icc.gif)                                      |
| 138 | 121, 136,
137 | 3eqtr4d 2666 |
. 2
 
  ![[,] [,]](_icc.gif)                     |
| 139 | 99 | simprd 479 |
. . . . 5
     ![[,] [,]](_icc.gif)                    |
| 140 | | iftrue 4092 |
. . . . . 6
                                |
| 141 | 140 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                   |
| 142 | | iftrue 4092 |
. . . . . 6
                                |
| 143 | 142 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                   |
| 144 | 139, 141,
143 | 3eqtr4d 2666 |
. . . 4
     ![[,] [,]](_icc.gif)                            
                     |
| 145 | 114 | simprd 479 |
. . . . 5
     ![[,] [,]](_icc.gif)                        |
| 146 | | iffalse 4095 |
. . . . . 6

                                 |
| 147 | 146 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                     |
| 148 | | iffalse 4095 |
. . . . . 6

                                 |
| 149 | 148 | adantl 482 |
. . . . 5
     ![[,] [,]](_icc.gif)                                     |
| 150 | 145, 147,
149 | 3eqtr4d 2666 |
. . . 4
     ![[,] [,]](_icc.gif)                            
                     |
| 151 | 144, 150 | pm2.61dan 832 |
. . 3
 
  ![[,] [,]](_icc.gif)                         
                     |
| 152 | | 1elunit 12291 |
. . . 4
  ![[,] [,]](_icc.gif)   |
| 153 | | simpl 473 |
. . . . . . 7
 
   |
| 154 | 153 | breq1d 4663 |
. . . . . 6
 
         |
| 155 | 153 | oveq2d 6666 |
. . . . . . 7
 
       |
| 156 | | simpr 477 |
. . . . . . 7
 
   |
| 157 | 155, 156 | oveq12d 6668 |
. . . . . 6
 
               |
| 158 | 155 | oveq1d 6665 |
. . . . . . 7
 
           |
| 159 | 158, 156 | oveq12d 6668 |
. . . . . 6
 
                   |
| 160 | 154, 157,
159 | ifbieq12d 4113 |
. . . . 5
 
                                             |
| 161 | | ovex 6678 |
. . . . . 6
       |
| 162 | | ovex 6678 |
. . . . . 6
         |
| 163 | 161, 162 | ifex 4156 |
. . . . 5
 
                    |
| 164 | 160, 21, 163 | ovmpt2a 6791 |
. . . 4
    ![[,] [,]](_icc.gif) 
  ![[,] [,]](_icc.gif)                              |
| 165 | 122, 152,
164 | sylancl 694 |
. . 3
 
  ![[,] [,]](_icc.gif)                              |
| 166 | 11, 12 | pcovalg 22812 |
. . 3
 
  ![[,] [,]](_icc.gif)                                      |
| 167 | 151, 165,
166 | 3eqtr4d 2666 |
. 2
 
  ![[,] [,]](_icc.gif)                     |
| 168 | 4, 11, 13 | phtpyi 22783 |
. . . 4
 
  ![[,] [,]](_icc.gif)                       |
| 169 | 168 | simpld 475 |
. . 3
 
  ![[,] [,]](_icc.gif)             |
| 170 | | simpl 473 |
. . . . . . . 8
     |
| 171 | 170, 31 | syl6eqbr 4692 |
. . . . . . 7
       |
| 172 | 171 | iftrued 4094 |
. . . . . 6
                                |
| 173 | 170 | oveq2d 6666 |
. . . . . . . 8
         |
| 174 | | 2t0e0 11183 |
. . . . . . . 8
   |
| 175 | 173, 174 | syl6eq 2672 |
. . . . . . 7
       |
| 176 | | simpr 477 |
. . . . . . 7
     |
| 177 | 175, 176 | oveq12d 6668 |
. . . . . 6
               |
| 178 | 172, 177 | eqtrd 2656 |
. . . . 5
                              |
| 179 | | ovex 6678 |
. . . . 5
     |
| 180 | 178, 21, 179 | ovmpt2a 6791 |
. . . 4
    ![[,] [,]](_icc.gif) 
  ![[,] [,]](_icc.gif)             |
| 181 | 123, 122,
180 | sylancr 695 |
. . 3
 
  ![[,] [,]](_icc.gif)             |
| 182 | 4, 8 | pco0 22814 |
. . . 4
                   |
| 183 | 182 | adantr 481 |
. . 3
 
  ![[,] [,]](_icc.gif)                     |
| 184 | 169, 181,
183 | 3eqtr4d 2666 |
. 2
 
  ![[,] [,]](_icc.gif)                     |
| 185 | 8, 12, 16 | phtpyi 22783 |
. . . 4
 
  ![[,] [,]](_icc.gif)                       |
| 186 | 185 | simprd 479 |
. . 3
 
  ![[,] [,]](_icc.gif)             |
| 187 | 28, 32 | ltnlei 10158 |
. . . . . . . . 9
  
    |
| 188 | 33, 187 | mpbi 220 |
. . . . . . . 8
   |
| 189 | | simpl 473 |
. . . . . . . . 9
     |
| 190 | 189 | breq1d 4663 |
. . . . . . . 8
           |
| 191 | 188, 190 | mtbiri 317 |
. . . . . . 7
  
    |
| 192 | 191 | iffalsed 4097 |
. . . . . 6
                                  |
| 193 | 189 | oveq2d 6666 |
. . . . . . . . . 10
         |
| 194 | | 2t1e2 11176 |
. . . . . . . . . 10
   |
| 195 | 193, 194 | syl6eq 2672 |
. . . . . . . . 9
       |
| 196 | 195 | oveq1d 6665 |
. . . . . . . 8
           |
| 197 | | 2m1e1 11135 |
. . . . . . . 8
   |
| 198 | 196, 197 | syl6eq 2672 |
. . . . . . 7
         |
| 199 | | simpr 477 |
. . . . . . 7
     |
| 200 | 198, 199 | oveq12d 6668 |
. . . . . 6
                 |
| 201 | 192, 200 | eqtrd 2656 |
. . . . 5
                              |
| 202 | | ovex 6678 |
. . . . 5
     |
| 203 | 201, 21, 202 | ovmpt2a 6791 |
. . . 4
    ![[,] [,]](_icc.gif) 
  ![[,] [,]](_icc.gif)             |
| 204 | 152, 122,
203 | sylancr 695 |
. . 3
 
  ![[,] [,]](_icc.gif)             |
| 205 | 4, 8 | pco1 22815 |
. . . 4
                   |
| 206 | 205 | adantr 481 |
. . 3
 
  ![[,] [,]](_icc.gif)                     |
| 207 | 186, 204,
206 | 3eqtr4d 2666 |
. 2
 
  ![[,] [,]](_icc.gif)                     |
| 208 | 10, 20, 90, 138, 167, 184, 207 | isphtpy2d 22786 |
1
                           |