| Step | Hyp | Ref | Expression | 
						
							| 1 |  | iscgra.p |  | 
						
							| 2 |  | iscgra.i |  | 
						
							| 3 |  | iscgra.k |  | 
						
							| 4 |  | iscgra.g |  | 
						
							| 5 |  | iscgra.a |  | 
						
							| 6 |  | iscgra.b |  | 
						
							| 7 |  | iscgra.c |  | 
						
							| 8 |  | iscgra.d |  | 
						
							| 9 |  | iscgra.e |  | 
						
							| 10 |  | iscgra.f |  | 
						
							| 11 |  | cgrahl1.2 |  | 
						
							| 12 |  | cgrahl1.x |  | 
						
							| 13 |  | cgracgr.m |  | 
						
							| 14 |  | cgracgr.y |  | 
						
							| 15 |  | cgracgr.1 |  | 
						
							| 16 |  | cgracgr.2 |  | 
						
							| 17 |  | cgracgr.3 |  | 
						
							| 18 |  | cgracgr.4 |  | 
						
							| 19 |  | eqid |  | 
						
							| 20 | 4 | ad3antrrr |  | 
						
							| 21 | 5 | ad3antrrr |  | 
						
							| 22 | 6 | ad3antrrr |  | 
						
							| 23 | 12 | ad3antrrr |  | 
						
							| 24 |  | eqid |  | 
						
							| 25 |  | simpllr |  | 
						
							| 26 | 9 | ad3antrrr |  | 
						
							| 27 | 14 | ad3antrrr |  | 
						
							| 28 | 8 | ad3antrrr |  | 
						
							| 29 | 10 | ad3antrrr |  | 
						
							| 30 | 1 2 3 12 5 6 4 15 | hlne2 |  | 
						
							| 31 | 30 | necomd |  | 
						
							| 32 | 1 2 3 12 5 6 4 19 15 | hlln |  | 
						
							| 33 | 1 2 19 4 6 5 12 31 32 | lncom |  | 
						
							| 34 | 33 | orcd |  | 
						
							| 35 | 1 19 2 4 6 5 12 34 | colrot1 |  | 
						
							| 36 | 35 | ad3antrrr |  | 
						
							| 37 | 7 | ad3antrrr |  | 
						
							| 38 |  | simplr |  | 
						
							| 39 |  | simpr1 |  | 
						
							| 40 | 1 13 2 24 20 21 22 37 25 26 38 39 | cgr3simp1 |  | 
						
							| 41 | 17 | ad3antrrr |  | 
						
							| 42 |  | eqid |  | 
						
							| 43 |  | simpr2 |  | 
						
							| 44 | 1 2 3 25 28 26 20 | ishlg |  | 
						
							| 45 | 43 44 | mpbid |  | 
						
							| 46 | 45 | simp3d |  | 
						
							| 47 | 1 2 3 12 5 6 4 | ishlg |  | 
						
							| 48 | 15 47 | mpbid |  | 
						
							| 49 | 48 | simp3d |  | 
						
							| 50 | 49 | orcomd |  | 
						
							| 51 | 50 | ad3antrrr |  | 
						
							| 52 | 40 | eqcomd |  | 
						
							| 53 | 1 13 2 20 25 26 21 22 52 | tgcgrcomlr |  | 
						
							| 54 | 41 | eqcomd |  | 
						
							| 55 | 1 13 2 42 20 26 25 28 22 22 21 23 46 51 53 54 | tgcgrsub2 |  | 
						
							| 56 | 55 | eqcomd |  | 
						
							| 57 | 1 13 2 20 21 23 25 28 56 | tgcgrcomlr |  | 
						
							| 58 | 1 13 24 20 21 22 23 25 26 28 40 41 57 | trgcgr |  | 
						
							| 59 | 1 2 3 14 7 6 4 19 16 | hlln |  | 
						
							| 60 | 59 | orcd |  | 
						
							| 61 | 1 19 2 4 7 6 14 60 | colrot1 |  | 
						
							| 62 | 61 | ad3antrrr |  | 
						
							| 63 | 1 13 2 24 20 21 22 37 25 26 38 39 | cgr3simp2 |  | 
						
							| 64 | 1 2 3 14 7 6 4 | ishlg |  | 
						
							| 65 | 16 64 | mpbid |  | 
						
							| 66 | 65 | simp3d |  | 
						
							| 67 | 66 | orcomd |  | 
						
							| 68 | 67 | ad3antrrr |  | 
						
							| 69 |  | simpr3 |  | 
						
							| 70 | 1 2 3 38 29 26 20 | ishlg |  | 
						
							| 71 | 69 70 | mpbid |  | 
						
							| 72 | 71 | simp3d |  | 
						
							| 73 | 18 | ad3antrrr |  | 
						
							| 74 | 1 13 2 42 20 22 37 27 26 26 38 29 68 72 63 73 | tgcgrsub2 |  | 
						
							| 75 | 1 13 2 20 22 27 26 29 73 | tgcgrcomlr |  | 
						
							| 76 | 1 13 24 20 22 37 27 26 38 29 63 74 75 | trgcgr |  | 
						
							| 77 | 53 | eqcomd |  | 
						
							| 78 | 1 13 2 24 20 21 22 37 25 26 38 39 | cgr3simp3 |  | 
						
							| 79 | 1 2 3 4 5 6 7 8 9 10 11 | cgrane2 |  | 
						
							| 80 | 79 | ad3antrrr |  | 
						
							| 81 | 1 19 2 20 22 37 27 24 26 38 13 21 29 25 62 76 77 78 80 | tgfscgr |  | 
						
							| 82 | 1 13 2 20 27 21 29 25 81 | tgcgrcomlr |  | 
						
							| 83 | 30 | ad3antrrr |  | 
						
							| 84 | 1 19 2 20 21 22 23 24 25 26 13 27 28 29 36 58 82 73 83 | tgfscgr |  | 
						
							| 85 | 1 2 3 4 5 6 7 8 9 10 | iscgra |  | 
						
							| 86 | 11 85 | mpbid |  | 
						
							| 87 | 84 86 | r19.29vva |  |