| Step | 
						Hyp | 
						Ref | 
						Expression | 
					
						
							| 1 | 
							
								
							 | 
							dfcgra2.p | 
							   | 
						
						
							| 2 | 
							
								
							 | 
							dfcgra2.i | 
							   | 
						
						
							| 3 | 
							
								
							 | 
							dfcgra2.m | 
							   | 
						
						
							| 4 | 
							
								
							 | 
							dfcgra2.g | 
							   | 
						
						
							| 5 | 
							
								
							 | 
							dfcgra2.a | 
							   | 
						
						
							| 6 | 
							
								
							 | 
							dfcgra2.b | 
							   | 
						
						
							| 7 | 
							
								
							 | 
							dfcgra2.c | 
							   | 
						
						
							| 8 | 
							
								
							 | 
							dfcgra2.d | 
							   | 
						
						
							| 9 | 
							
								
							 | 
							dfcgra2.e | 
							   | 
						
						
							| 10 | 
							
								
							 | 
							dfcgra2.f | 
							   | 
						
						
							| 11 | 
							
								
							 | 
							acopy.l | 
							   | 
						
						
							| 12 | 
							
								
							 | 
							acopy.1 | 
							   | 
						
						
							| 13 | 
							
								
							 | 
							acopy.2 | 
							   | 
						
						
							| 14 | 
							
								
							 | 
							acopyeu.x | 
							   | 
						
						
							| 15 | 
							
								
							 | 
							acopyeu.y | 
							   | 
						
						
							| 16 | 
							
								
							 | 
							acopyeu.k | 
							   | 
						
						
							| 17 | 
							
								
							 | 
							acopyeu.1 | 
							   | 
						
						
							| 18 | 
							
								
							 | 
							acopyeu.2 | 
							   | 
						
						
							| 19 | 
							
								
							 | 
							acopyeu.3 | 
							   | 
						
						
							| 20 | 
							
								
							 | 
							acopyeu.4 | 
							   | 
						
						
							| 21 | 
							
								14
							 | 
							ad2antrr | 
							   | 
						
						
							| 22 | 
							
								21
							 | 
							ad3antrrr | 
							   | 
						
						
							| 23 | 
							
								
							 | 
							simplr | 
							   | 
						
						
							| 24 | 
							
								15
							 | 
							ad2antrr | 
							   | 
						
						
							| 25 | 
							
								24
							 | 
							ad3antrrr | 
							   | 
						
						
							| 26 | 
							
								4
							 | 
							ad2antrr | 
							   | 
						
						
							| 27 | 
							
								26
							 | 
							ad3antrrr | 
							   | 
						
						
							| 28 | 
							
								9
							 | 
							ad2antrr | 
							   | 
						
						
							| 29 | 
							
								28
							 | 
							ad3antrrr | 
							   | 
						
						
							| 30 | 
							
								5
							 | 
							ad2antrr | 
							   | 
						
						
							| 31 | 
							
								30
							 | 
							ad3antrrr | 
							   | 
						
						
							| 32 | 
							
								6
							 | 
							ad2antrr | 
							   | 
						
						
							| 33 | 
							
								32
							 | 
							ad3antrrr | 
							   | 
						
						
							| 34 | 
							
								7
							 | 
							ad2antrr | 
							   | 
						
						
							| 35 | 
							
								34
							 | 
							ad3antrrr | 
							   | 
						
						
							| 36 | 
							
								
							 | 
							simplr | 
							   | 
						
						
							| 37 | 
							
								36
							 | 
							ad3antrrr | 
							   | 
						
						
							| 38 | 
							
								10
							 | 
							ad2antrr | 
							   | 
						
						
							| 39 | 
							
								38
							 | 
							ad3antrrr | 
							   | 
						
						
							| 40 | 
							
								12
							 | 
							ad2antrr | 
							   | 
						
						
							| 41 | 
							
								40
							 | 
							ad3antrrr | 
							   | 
						
						
							| 42 | 
							
								8
							 | 
							ad2antrr | 
							   | 
						
						
							| 43 | 
							
								13
							 | 
							ad2antrr | 
							   | 
						
						
							| 44 | 
							
								
							 | 
							simprl | 
							   | 
						
						
							| 45 | 
							
								1 2 16 36 42 28 26 11 44
							 | 
							hlln | 
							   | 
						
						
							| 46 | 
							
								1 2 16 36 42 28 26 44
							 | 
							hlne1 | 
							   | 
						
						
							| 47 | 
							
								1 2 11 26 42 28 38 36 43 45 46
							 | 
							ncolncol | 
							   | 
						
						
							| 48 | 
							
								47
							 | 
							ad3antrrr | 
							   | 
						
						
							| 49 | 
							
								
							 | 
							simprr | 
							   | 
						
						
							| 50 | 
							
								1 3 2 26 28 36 32 30 49
							 | 
							tgcgrcomlr | 
							   | 
						
						
							| 51 | 
							
								50
							 | 
							eqcomd | 
							   | 
						
						
							| 52 | 
							
								51
							 | 
							ad3antrrr | 
							   | 
						
						
							| 53 | 
							
								
							 | 
							simpl | 
							   | 
						
						
							| 54 | 
							
								53
							 | 
							eleq1d | 
							   | 
						
						
							| 55 | 
							
								
							 | 
							simpr | 
							   | 
						
						
							| 56 | 
							
								55
							 | 
							eleq1d | 
							   | 
						
						
							| 57 | 
							
								54 56
							 | 
							anbi12d | 
							   | 
						
						
							| 58 | 
							
								
							 | 
							simpr | 
							   | 
						
						
							| 59 | 
							
								
							 | 
							simpll | 
							   | 
						
						
							| 60 | 
							
								
							 | 
							simplr | 
							   | 
						
						
							| 61 | 
							
								59 60
							 | 
							oveq12d | 
							   | 
						
						
							| 62 | 
							
								58 61
							 | 
							eleq12d | 
							   | 
						
						
							| 63 | 
							
								62
							 | 
							cbvrexdva | 
							   | 
						
						
							| 64 | 
							
								57 63
							 | 
							anbi12d | 
							   | 
						
						
							| 65 | 
							
								64
							 | 
							cbvopabv | 
							   | 
						
						
							| 66 | 
							
								
							 | 
							simpllr | 
							   | 
						
						
							| 67 | 
							
								
							 | 
							simprll | 
							   | 
						
						
							| 68 | 
							
								
							 | 
							simprrl | 
							   | 
						
						
							| 69 | 
							
								1 2 11 26 36 28 46
							 | 
							tgelrnln | 
							   | 
						
						
							| 70 | 
							
								69
							 | 
							ad3antrrr | 
							   | 
						
						
							| 71 | 
							
								1 2 11 26 36 28 46
							 | 
							tglinerflx2 | 
							   | 
						
						
							| 72 | 
							
								71
							 | 
							ad3antrrr | 
							   | 
						
						
							| 73 | 
							
								42
							 | 
							ad3antrrr | 
							   | 
						
						
							| 74 | 
							
								1 11 2 4 6 7 5 12
							 | 
							ncolrot2 | 
							   | 
						
						
							| 75 | 
							
								1 2 3 4 5 6 7 8 9 14 17 11 74
							 | 
							cgrancol | 
							   | 
						
						
							| 76 | 
							
								1 11 2 4 8 9 14 75
							 | 
							ncolcom | 
							   | 
						
						
							| 77 | 
							
								76
							 | 
							ad5antr | 
							   | 
						
						
							| 78 | 
							
								
							 | 
							simprlr | 
							   | 
						
						
							| 79 | 
							
								1 2 16 66 22 29 27 11 78
							 | 
							hlln | 
							   | 
						
						
							| 80 | 
							
								1 2 16 66 22 29 27 78
							 | 
							hlne1 | 
							   | 
						
						
							| 81 | 
							
								1 2 11 27 22 29 73 66 77 79 80
							 | 
							ncolncol | 
							   | 
						
						
							| 82 | 
							
								1 11 2 27 29 73 66 81
							 | 
							ncolcom | 
							   | 
						
						
							| 83 | 
							
								
							 | 
							pm2.45 | 
							   | 
						
						
							| 84 | 
							
								82 83
							 | 
							syl | 
							   | 
						
						
							| 85 | 
							
								1 2 11 4 8 9 10 13
							 | 
							ncolne1 | 
							   | 
						
						
							| 86 | 
							
								1 2 11 4 8 9 85
							 | 
							tgelrnln | 
							   | 
						
						
							| 87 | 
							
								86
							 | 
							ad2antrr | 
							   | 
						
						
							| 88 | 
							
								1 2 11 4 8 9 85
							 | 
							tglinerflx2 | 
							   | 
						
						
							| 89 | 
							
								88
							 | 
							ad2antrr | 
							   | 
						
						
							| 90 | 
							
								1 2 11 26 36 28 46 46 87 45 89
							 | 
							tglinethru | 
							   | 
						
						
							| 91 | 
							
								90
							 | 
							ad3antrrr | 
							   | 
						
						
							| 92 | 
							
								84 91
							 | 
							neleqtrd | 
							   | 
						
						
							| 93 | 
							
								1 2 11 27 70 29 65 16 72 66 22 92 78
							 | 
							hphl | 
							   | 
						
						
							| 94 | 
							
								90
							 | 
							fveq2d | 
							   | 
						
						
							| 95 | 
							
								94
							 | 
							ad3antrrr | 
							   | 
						
						
							| 96 | 
							
								19
							 | 
							ad5antr | 
							   | 
						
						
							| 97 | 
							
								95 96
							 | 
							breqdi | 
							   | 
						
						
							| 98 | 
							
								1 2 11 27 70 66 65 22 93 39 97
							 | 
							hpgtr | 
							   | 
						
						
							| 99 | 
							
								1 2 3 4 5 6 7 8 9 15 18 11 74
							 | 
							cgrancol | 
							   | 
						
						
							| 100 | 
							
								1 11 2 4 8 9 15 99
							 | 
							ncolcom | 
							   | 
						
						
							| 101 | 
							
								100
							 | 
							ad5antr | 
							   | 
						
						
							| 102 | 
							
								
							 | 
							simprrr | 
							   | 
						
						
							| 103 | 
							
								1 2 16 23 25 29 27 11 102
							 | 
							hlln | 
							   | 
						
						
							| 104 | 
							
								1 2 16 23 25 29 27 102
							 | 
							hlne1 | 
							   | 
						
						
							| 105 | 
							
								1 2 11 27 25 29 73 23 101 103 104
							 | 
							ncolncol | 
							   | 
						
						
							| 106 | 
							
								1 11 2 27 29 73 23 105
							 | 
							ncolcom | 
							   | 
						
						
							| 107 | 
							
								
							 | 
							pm2.45 | 
							   | 
						
						
							| 108 | 
							
								106 107
							 | 
							syl | 
							   | 
						
						
							| 109 | 
							
								108 91
							 | 
							neleqtrd | 
							   | 
						
						
							| 110 | 
							
								1 2 11 27 70 29 65 16 72 23 25 109 102
							 | 
							hphl | 
							   | 
						
						
							| 111 | 
							
								20
							 | 
							ad5antr | 
							   | 
						
						
							| 112 | 
							
								95 111
							 | 
							breqdi | 
							   | 
						
						
							| 113 | 
							
								1 2 11 27 70 23 65 25 110 39 112
							 | 
							hpgtr | 
							   | 
						
						
							| 114 | 
							
								1 3 2 11 16 27 31 33 35 37 29 39 41 48 52 65 66 23 67 68 98 113
							 | 
							trgcopyeulem | 
							   | 
						
						
							| 115 | 
							
								114 78
							 | 
							eqbrtrrd | 
							   | 
						
						
							| 116 | 
							
								1 2 16 23 22 29 27 115
							 | 
							hlcomd | 
							   | 
						
						
							| 117 | 
							
								1 2 16 22 23 25 27 29 116 102
							 | 
							hltr | 
							   | 
						
						
							| 118 | 
							
								17
							 | 
							ad2antrr | 
							   | 
						
						
							| 119 | 
							
								1 2 16 26 30 32 34 42 28 21 118 36 44
							 | 
							cgrahl1 | 
							   | 
						
						
							| 120 | 
							
								1 2 11 4 5 6 7 12
							 | 
							ncolne1 | 
							   | 
						
						
							| 121 | 
							
								120
							 | 
							ad2antrr | 
							   | 
						
						
							| 122 | 
							
								1 2 16 26 30 32 34 36 28 21 3 121 51
							 | 
							iscgra1 | 
							   | 
						
						
							| 123 | 
							
								119 122
							 | 
							mpbid | 
							   | 
						
						
							| 124 | 
							
								18
							 | 
							ad2antrr | 
							   | 
						
						
							| 125 | 
							
								1 2 16 26 30 32 34 42 28 24 124 36 44
							 | 
							cgrahl1 | 
							   | 
						
						
							| 126 | 
							
								1 2 16 26 30 32 34 36 28 24 3 121 51
							 | 
							iscgra1 | 
							   | 
						
						
							| 127 | 
							
								125 126
							 | 
							mpbid | 
							   | 
						
						
							| 128 | 
							
								
							 | 
							reeanv | 
							   | 
						
						
							| 129 | 
							
								123 127 128
							 | 
							sylanbrc | 
							   | 
						
						
							| 130 | 
							
								117 129
							 | 
							r19.29vva | 
							   | 
						
						
							| 131 | 
							
								120
							 | 
							necomd | 
							   | 
						
						
							| 132 | 
							
								1 2 16 9 6 5 4 8 3 85 131
							 | 
							hlcgrex | 
							   | 
						
						
							| 133 | 
							
								130 132
							 | 
							r19.29a | 
							   |