| Step | Hyp | Ref | Expression | 
						
							| 1 |  | tglineelsb2.p |  | 
						
							| 2 |  | tglineelsb2.i |  | 
						
							| 3 |  | tglineelsb2.l |  | 
						
							| 4 |  | tglineelsb2.g |  | 
						
							| 5 |  | tglineelsb2.1 |  | 
						
							| 6 |  | tglineelsb2.2 |  | 
						
							| 7 |  | tglineelsb2.4 |  | 
						
							| 8 |  | tglineelsb2.3 |  | 
						
							| 9 |  | tglineelsb2.5 |  | 
						
							| 10 |  | tglineelsb2.6 |  | 
						
							| 11 |  | tglineeltr.7 |  | 
						
							| 12 |  | tglineeltr.8 |  | 
						
							| 13 | 4 | ad3antrrr |  | 
						
							| 14 | 5 | ad3antrrr |  | 
						
							| 15 | 6 | ad3antrrr |  | 
						
							| 16 |  | simpllr |  | 
						
							| 17 |  | eqid |  | 
						
							| 18 | 8 | ad3antrrr |  | 
						
							| 19 |  | simplr |  | 
						
							| 20 |  | simpr |  | 
						
							| 21 | 1 17 2 13 14 16 18 15 19 20 | tgbtwnexch |  | 
						
							| 22 | 1 3 2 13 14 15 16 21 | btwncolg1 |  | 
						
							| 23 | 4 | ad3antrrr |  | 
						
							| 24 | 5 | ad3antrrr |  | 
						
							| 25 | 6 | ad3antrrr |  | 
						
							| 26 |  | simpllr |  | 
						
							| 27 | 8 | ad3antrrr |  | 
						
							| 28 |  | simplr |  | 
						
							| 29 | 1 17 2 23 24 26 27 28 | tgbtwncom |  | 
						
							| 30 |  | simpr |  | 
						
							| 31 | 1 17 2 23 27 26 24 25 29 30 | tgbtwnexch3 |  | 
						
							| 32 | 1 3 2 23 24 25 26 31 | btwncolg2 |  | 
						
							| 33 | 4 | ad3antrrr |  | 
						
							| 34 | 5 | ad3antrrr |  | 
						
							| 35 |  | simpllr |  | 
						
							| 36 | 6 | ad3antrrr |  | 
						
							| 37 | 8 | ad3antrrr |  | 
						
							| 38 |  | simplr |  | 
						
							| 39 |  | simpr |  | 
						
							| 40 | 1 2 33 34 35 36 37 38 39 3 | tgbtwnconnln3 |  | 
						
							| 41 | 1 3 2 4 5 6 7 8 | tgellng |  | 
						
							| 42 | 10 41 | mpbid |  | 
						
							| 43 | 42 | ad2antrr |  | 
						
							| 44 | 22 32 40 43 | mpjao3dan |  | 
						
							| 45 | 44 | an32s |  | 
						
							| 46 | 11 45 | mpidan |  | 
						
							| 47 | 4 | ad3antrrr |  | 
						
							| 48 | 5 | ad3antrrr |  | 
						
							| 49 | 6 | ad3antrrr |  | 
						
							| 50 |  | simpllr |  | 
						
							| 51 | 8 | ad3antrrr |  | 
						
							| 52 | 9 | necomd |  | 
						
							| 53 | 52 | ad3antrrr |  | 
						
							| 54 |  | simplr |  | 
						
							| 55 |  | simpr |  | 
						
							| 56 | 1 17 2 47 50 48 51 49 53 54 55 | tgbtwnouttr |  | 
						
							| 57 | 1 3 2 47 48 49 50 56 | btwncolg2 |  | 
						
							| 58 | 4 | ad3antrrr |  | 
						
							| 59 | 6 | ad3antrrr |  | 
						
							| 60 |  | simpllr |  | 
						
							| 61 | 5 | ad3antrrr |  | 
						
							| 62 | 8 | ad3antrrr |  | 
						
							| 63 | 9 | ad3antrrr |  | 
						
							| 64 |  | simpr |  | 
						
							| 65 |  | simplr |  | 
						
							| 66 | 1 17 2 58 60 61 62 65 | tgbtwncom |  | 
						
							| 67 | 1 2 58 62 61 59 60 3 63 64 66 | tgbtwnconnln2 |  | 
						
							| 68 | 1 3 2 58 59 60 61 67 | colrot2 |  | 
						
							| 69 | 4 | ad3antrrr |  | 
						
							| 70 | 6 | ad3antrrr |  | 
						
							| 71 | 5 | ad3antrrr |  | 
						
							| 72 |  | simpllr |  | 
						
							| 73 | 8 | ad3antrrr |  | 
						
							| 74 |  | simpr |  | 
						
							| 75 |  | simplr |  | 
						
							| 76 | 1 17 2 69 70 71 72 73 74 75 | tgbtwnintr |  | 
						
							| 77 | 1 3 2 69 70 71 72 76 | btwncolg3 |  | 
						
							| 78 | 1 3 2 69 70 71 72 77 | colcom |  | 
						
							| 79 | 42 | ad2antrr |  | 
						
							| 80 | 57 68 78 79 | mpjao3dan |  | 
						
							| 81 | 80 | an32s |  | 
						
							| 82 | 11 81 | mpidan |  | 
						
							| 83 | 4 | ad3antrrr |  | 
						
							| 84 | 6 | ad3antrrr |  | 
						
							| 85 |  | simpllr |  | 
						
							| 86 | 5 | ad3antrrr |  | 
						
							| 87 | 8 | ad3antrrr |  | 
						
							| 88 | 52 | ad3antrrr |  | 
						
							| 89 |  | simpr |  | 
						
							| 90 |  | simplr |  | 
						
							| 91 | 1 2 83 86 87 84 85 3 88 89 90 | tgbtwnconnln1 |  | 
						
							| 92 | 1 3 2 83 84 85 86 91 | colrot2 |  | 
						
							| 93 | 4 | ad3antrrr |  | 
						
							| 94 | 5 | ad3antrrr |  | 
						
							| 95 | 6 | ad3antrrr |  | 
						
							| 96 |  | simpllr |  | 
						
							| 97 | 8 | ad3antrrr |  | 
						
							| 98 | 9 | ad3antrrr |  | 
						
							| 99 |  | simplr |  | 
						
							| 100 | 1 17 2 93 94 97 96 99 | tgbtwncom |  | 
						
							| 101 |  | simpr |  | 
						
							| 102 | 1 17 2 93 96 97 94 95 98 100 101 | tgbtwnouttr2 |  | 
						
							| 103 | 1 3 2 93 94 95 96 102 | btwncolg2 |  | 
						
							| 104 | 4 | ad3antrrr |  | 
						
							| 105 | 5 | ad3antrrr |  | 
						
							| 106 | 6 | ad3antrrr |  | 
						
							| 107 |  | simpllr |  | 
						
							| 108 | 8 | ad3antrrr |  | 
						
							| 109 |  | simpr |  | 
						
							| 110 |  | simplr |  | 
						
							| 111 | 1 17 2 104 105 106 108 107 109 110 | tgbtwnexch |  | 
						
							| 112 | 1 3 2 104 105 106 107 111 | btwncolg3 |  | 
						
							| 113 | 42 | ad2antrr |  | 
						
							| 114 | 92 103 112 113 | mpjao3dan |  | 
						
							| 115 | 114 | an32s |  | 
						
							| 116 | 11 115 | mpidan |  | 
						
							| 117 |  | id |  | 
						
							| 118 | 4 | adantr |  | 
						
							| 119 | 5 | adantr |  | 
						
							| 120 | 8 | adantr |  | 
						
							| 121 | 52 | adantr |  | 
						
							| 122 |  | simpr |  | 
						
							| 123 | 1 3 2 118 119 120 121 122 | tgellng |  | 
						
							| 124 | 123 | biimpa |  | 
						
							| 125 | 117 11 12 124 | syl21anc |  | 
						
							| 126 | 46 82 116 125 | mpjao3dan |  | 
						
							| 127 | 7 | neneqd |  | 
						
							| 128 |  | pm5.61 |  | 
						
							| 129 | 128 | simplbi |  | 
						
							| 130 | 126 127 129 | syl2anc |  |