| Step | Hyp | Ref
| Expression |
| 1 | | simpl1 1064 |
. . . . . . . . . . . . 13
                   
    
  |
| 2 | | simpr 477 |
. . . . . . . . . . . . 13
                   
    
      |
| 3 | | simpl21 1139 |
. . . . . . . . . . . . 13
                   
    
      |
| 4 | | simpl22 1140 |
. . . . . . . . . . . . 13
                   
    
      |
| 5 | | brcolinear 32166 |
. . . . . . . . . . . . 13
  
   
                   

       |
| 6 | 1, 2, 3, 4, 5 | syl13anc 1328 |
. . . . . . . . . . . 12
                   
              

       |
| 7 | 6 | adantr 481 |
. . . . . . . . . . 11
            
       
        
  
 
    

       |
| 8 | | olc 399 |
. . . . . . . . . . . . . 14
      

      |
| 9 | 8 | orcd 407 |
. . . . . . . . . . . . 13
                        |
| 10 | 9 | a1i 11 |
. . . . . . . . . . . 12
            
       
        
                         |
| 11 | | simpl3l 1116 |
. . . . . . . . . . . . . . . . . 18
                   
       |
| 12 | 11 | necomd 2849 |
. . . . . . . . . . . . . . . . 17
                   
       |
| 13 | 12 | adantr 481 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
  |
| 14 | | simprl 794 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
 
   |
| 15 | | simprr 796 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
 
   |
| 16 | 13, 14, 15 | 3jca 1242 |
. . . . . . . . . . . . . . 15
            
       
     
  
 
  
  

      |
| 17 | | simpl23 1141 |
. . . . . . . . . . . . . . . . 17
                   
    
      |
| 18 | | btwnconn2 32209 |
. . . . . . . . . . . . . . . . 17
  
   
     
   
                          |
| 19 | 1, 4, 3, 17, 2, 18 | syl122anc 1335 |
. . . . . . . . . . . . . . . 16
                   
      
 

               |
| 20 | 19 | adantr 481 |
. . . . . . . . . . . . . . 15
            
       
     
  
 
  
                    |
| 21 | 16, 20 | mpd 15 |
. . . . . . . . . . . . . 14
            
       
     
  
 
  
          |
| 22 | 21 | olcd 408 |
. . . . . . . . . . . . 13
            
       
     
  
 
  
                    |
| 23 | 22 | expr 643 |
. . . . . . . . . . . 12
            
       
        
                         |
| 24 | | btwncom 32121 |
. . . . . . . . . . . . . . 15
  
   
             
      |
| 25 | 1, 4, 2, 3, 24 | syl13anc 1328 |
. . . . . . . . . . . . . 14
                   
        
      |
| 26 | | orc 400 |
. . . . . . . . . . . . . . 15
      

      |
| 27 | 26 | orcd 407 |
. . . . . . . . . . . . . 14
                        |
| 28 | 25, 27 | syl6bi 243 |
. . . . . . . . . . . . 13
                   
        
 
    
    

        |
| 29 | 28 | adantr 481 |
. . . . . . . . . . . 12
            
       
        
                         |
| 30 | 10, 23, 29 | 3jaod 1392 |
. . . . . . . . . . 11
            
       
        
 
    

          
    

        |
| 31 | 7, 30 | sylbid 230 |
. . . . . . . . . 10
            
       
        
  
    

                |
| 32 | | olc 399 |
. . . . . . . . . 10
       
    

                           |
| 33 | 31, 32 | syl6 35 |
. . . . . . . . 9
            
       
        
  
                        |
| 34 | | colineartriv1 32174 |
. . . . . . . . . . . . 13
 
          
   |
| 35 | 1, 3, 4, 34 | syl3anc 1326 |
. . . . . . . . . . . 12
                   
          |
| 36 | | breq1 4656 |
. . . . . . . . . . . 12
           |
| 37 | 35, 36 | syl5ibrcom 237 |
. . . . . . . . . . 11
                   
            |
| 38 | 37 | adantr 481 |
. . . . . . . . . 10
            
       
        

      |
| 39 | | btwncolinear3 32178 |
. . . . . . . . . . . . . 14
  
   
             
      |
| 40 | 1, 3, 2, 4, 39 | syl13anc 1328 |
. . . . . . . . . . . . 13
                   
        
      |
| 41 | | btwncolinear5 32180 |
. . . . . . . . . . . . . 14
  
   
             
      |
| 42 | 1, 3, 4, 2, 41 | syl13anc 1328 |
. . . . . . . . . . . . 13
                   
        
      |
| 43 | 40, 42 | jaod 395 |
. . . . . . . . . . . 12
                   
        

     
    |
| 44 | 43 | adantr 481 |
. . . . . . . . . . 11
            
       
        
          
    |
| 45 | | simpl3r 1117 |
. . . . . . . . . . . . . . . . 17
                   
       |
| 46 | 45 | adantr 481 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
  |
| 47 | | simprl 794 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
 
   |
| 48 | | simprr 796 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
 
   |
| 49 | 46, 47, 48 | 3jca 1242 |
. . . . . . . . . . . . . . 15
            
       
     
  
 
  
  

      |
| 50 | | btwnouttr 32131 |
. . . . . . . . . . . . . . . . 17
  
   
     
   
                     |
| 51 | 1, 4, 3, 17, 2, 50 | syl122anc 1335 |
. . . . . . . . . . . . . . . 16
                   
      
 

          |
| 52 | 51 | adantr 481 |
. . . . . . . . . . . . . . 15
            
       
     
  
 
  
               |
| 53 | 49, 52 | mpd 15 |
. . . . . . . . . . . . . 14
            
       
     
  
 
  
 
   |
| 54 | | btwncolinear4 32179 |
. . . . . . . . . . . . . . . 16
  
   
             
      |
| 55 | 1, 4, 2, 3, 54 | syl13anc 1328 |
. . . . . . . . . . . . . . 15
                   
        
      |
| 56 | 55 | adantr 481 |
. . . . . . . . . . . . . 14
            
       
     
  
 
  
          |
| 57 | 53, 56 | mpd 15 |
. . . . . . . . . . . . 13
            
       
     
  
 
  
     |
| 58 | 57 | expr 643 |
. . . . . . . . . . . 12
            
       
        
          |
| 59 | | simprr 796 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
 
   |
| 60 | 1, 2, 3, 17, 59 | btwncomand 32122 |
. . . . . . . . . . . . . . 15
            
       
     
  
 
  
 
   |
| 61 | | simprl 794 |
. . . . . . . . . . . . . . . 16
            
       
     
  
 
  
 
   |
| 62 | 1, 3, 4, 17, 61 | btwncomand 32122 |
. . . . . . . . . . . . . . 15
            
       
     
  
 
  
 
   |
| 63 | 1, 17, 2, 3, 4, 60,
62 | btwnexch3and 32128 |
. . . . . . . . . . . . . 14
            
       
     
  
 
  
     |
| 64 | | btwncolinear2 32177 |
. . . . . . . . . . . . . . . 16
  
   
             
      |
| 65 | 1, 2, 4, 3, 64 | syl13anc 1328 |
. . . . . . . . . . . . . . 15
                   
        
      |
| 66 | 65 | adantr 481 |
. . . . . . . . . . . . . 14
            
       
     
  
 
  
          |
| 67 | 63, 66 | mpd 15 |
. . . . . . . . . . . . 13
            
       
     
  
 
  
     |
| 68 | 67 | expr 643 |
. . . . . . . . . . . 12
            
       
        
          |
| 69 | 58, 68 | jaod 395 |
. . . . . . . . . . 11
            
       
        
          
    |
| 70 | 44, 69 | jaod 395 |
. . . . . . . . . 10
            
       
        
       
    

           |
| 71 | 38, 70 | jaod 395 |
. . . . . . . . 9
            
       
        
     

                    |
| 72 | 33, 71 | impbid 202 |
. . . . . . . 8
            
       
        
  
     

                 |
| 73 | | pm5.63 959 |
. . . . . . . . 9
     

               
      
    

         |
| 74 | | df-ne 2795 |
. . . . . . . . . . . 12

  |
| 75 | 74 | anbi1i 731 |
. . . . . . . . . . 11
     

                
    
    

        |
| 76 | | andi 911 |
. . . . . . . . . . 11
     

               
               
      |
| 77 | 75, 76 | bitr3i 266 |
. . . . . . . . . 10
                      
               
      |
| 78 | 77 | orbi2i 541 |
. . . . . . . . 9
  
                       
    
                 |
| 79 | 73, 78 | bitri 264 |
. . . . . . . 8
     

                                
       |
| 80 | 72, 79 | syl6bb 276 |
. . . . . . 7
            
       
        
  
   
               
        |
| 81 | | broutsideof2 32229 |
. . . . . . . . . . . 12
  
   
           OutsideOf   
     
      |
| 82 | 1, 3, 4, 2, 81 | syl13anc 1328 |
. . . . . . . . . . 11
                   
      OutsideOf   
     
      |
| 83 | | 3simpc 1060 |
. . . . . . . . . . . 12
                 
     |
| 84 | | simpl3l 1116 |
. . . . . . . . . . . . . . 15
                    
    
     
       |
| 85 | 84 | necomd 2849 |
. . . . . . . . . . . . . 14
                    
    
     
       |
| 86 | | simprrl 804 |
. . . . . . . . . . . . . 14
                    
    
     
       |
| 87 | | simprrr 805 |
. . . . . . . . . . . . . 14
                    
    
     
          
    |
| 88 | 85, 86, 87 | 3jca 1242 |
. . . . . . . . . . . . 13
                    
    
     
     
     
     |
| 89 | 88 | expr 643 |
. . . . . . . . . . . 12
                   
      
         
     
      |
| 90 | 83, 89 | impbid2 216 |
. . . . . . . . . . 11
                   
      
  

    
             |
| 91 | 82, 90 | bitrd 268 |
. . . . . . . . . 10
                   
      OutsideOf         
      |
| 92 | | broutsideof2 32229 |
. . . . . . . . . . . 12
  
   
           OutsideOf   
     
      |
| 93 | 1, 3, 17, 2, 92 | syl13anc 1328 |
. . . . . . . . . . 11
                   
      OutsideOf   
     
      |
| 94 | | 3simpc 1060 |
. . . . . . . . . . . 12
                 
     |
| 95 | | simpl3r 1117 |
. . . . . . . . . . . . . . 15
                    
    
     
       |
| 96 | 95 | necomd 2849 |
. . . . . . . . . . . . . 14
                    
    
     
       |
| 97 | | simprrl 804 |
. . . . . . . . . . . . . 14
                    
    
     
       |
| 98 | | simprrr 805 |
. . . . . . . . . . . . . 14
                    
    
     
          
    |
| 99 | 96, 97, 98 | 3jca 1242 |
. . . . . . . . . . . . 13
                    
    
     
     
     
     |
| 100 | 99 | expr 643 |
. . . . . . . . . . . 12
                   
      
         
     
      |
| 101 | 94, 100 | impbid2 216 |
. . . . . . . . . . 11
                   
      
  

    
             |
| 102 | 93, 101 | bitrd 268 |
. . . . . . . . . 10
                   
      OutsideOf         
      |
| 103 | 91, 102 | orbi12d 746 |
. . . . . . . . 9
                   
       OutsideOf   OutsideOf   
  
    
                 |
| 104 | 103 | adantr 481 |
. . . . . . . 8
            
       
        
  OutsideOf   OutsideOf                     
       |
| 105 | 104 | orbi2d 738 |
. . . . . . 7
            
       
        
   OutsideOf   OutsideOf    

       
                  |
| 106 | 80, 105 | bitr4d 271 |
. . . . . 6
            
       
        
  
   OutsideOf   OutsideOf        |
| 107 | | orcom 402 |
. . . . . . 7
   OutsideOf   OutsideOf    
  OutsideOf   OutsideOf       |
| 108 | | or32 549 |
. . . . . . 7
   OutsideOf   OutsideOf    
  OutsideOf    OutsideOf      |
| 109 | 107, 108 | bitri 264 |
. . . . . 6
   OutsideOf   OutsideOf    
  OutsideOf    OutsideOf      |
| 110 | 106, 109 | syl6bb 276 |
. . . . 5
            
       
        
  
   OutsideOf    OutsideOf       |
| 111 | 110 | an32s 846 |
. . . 4
            
                       OutsideOf    OutsideOf 
     |
| 112 | 111 | rabbidva 3188 |
. . 3
                       
         
      OutsideOf    OutsideOf 
     |
| 113 | | simp1 1061 |
. . . . 5
  
   
           
  |
| 114 | | simp21 1094 |
. . . . 5
  
   
           
      |
| 115 | | simp22 1095 |
. . . . 5
  
   
           
      |
| 116 | | simp3l 1089 |
. . . . 5
  
   
              |
| 117 | | fvline2 32253 |
. . . . 5
  
   
       Line            |
| 118 | 113, 114,
115, 116, 117 | syl13anc 1328 |
. . . 4
  
   
             Line            |
| 119 | 118 | adantr 481 |
. . 3
                       
 Line            |
| 120 | | fvray 32248 |
. . . . . . . 8
  
   
       Ray      OutsideOf      |
| 121 | 113, 114,
115, 116, 120 | syl13anc 1328 |
. . . . . . 7
  
   
             Ray      OutsideOf      |
| 122 | | rabsn 4256 |
. . . . . . . . 9
               |
| 123 | 114, 122 | syl 17 |
. . . . . . . 8
  
   
            
         |
| 124 | 123 | eqcomd 2628 |
. . . . . . 7
  
   
                      |
| 125 | 121, 124 | uneq12d 3768 |
. . . . . 6
  
   
              Ray          OutsideOf             |
| 126 | | simp23 1096 |
. . . . . . 7
  
   
           
      |
| 127 | | simp3r 1090 |
. . . . . . 7
  
   
              |
| 128 | | fvray 32248 |
. . . . . . 7
  
   
       Ray      OutsideOf      |
| 129 | 113, 114,
126, 127, 128 | syl13anc 1328 |
. . . . . 6
  
   
             Ray      OutsideOf      |
| 130 | 125, 129 | uneq12d 3768 |
. . . . 5
  
   
               Ray     Ray         OutsideOf                OutsideOf       |
| 131 | 130 | adantr 481 |
. . . 4
                       
   Ray     Ray         OutsideOf                OutsideOf       |
| 132 | | unrab 3898 |
. . . . . 6
      OutsideOf                 OutsideOf      |
| 133 | 132 | uneq1i 3763 |
. . . . 5
       OutsideOf                OutsideOf            OutsideOf          OutsideOf      |
| 134 | | unrab 3898 |
. . . . 5
       OutsideOf          OutsideOf            OutsideOf    OutsideOf 
    |
| 135 | 133, 134 | eqtri 2644 |
. . . 4
       OutsideOf                OutsideOf            OutsideOf    OutsideOf 
    |
| 136 | 131, 135 | syl6eq 2672 |
. . 3
                       
   Ray     Ray         OutsideOf    OutsideOf       |
| 137 | 112, 119,
136 | 3eqtr4d 2666 |
. 2
                       
 Line    Ray     Ray    |
| 138 | 137 | ex 450 |
1
  
   
               
 Line    Ray     Ray     |