| Step | Hyp | Ref | Expression | 
						
							| 1 |  | trlcoabs.l |  | 
						
							| 2 |  | trlcoabs.j |  | 
						
							| 3 |  | trlcoabs.a |  | 
						
							| 4 |  | trlcoabs.h |  | 
						
							| 5 |  | trlcoabs.t |  | 
						
							| 6 |  | trlcoabs.r |  | 
						
							| 7 |  | simp1 |  | 
						
							| 8 |  | simp2r |  | 
						
							| 9 |  | simp2l |  | 
						
							| 10 | 4 5 | ltrncnv |  | 
						
							| 11 | 7 9 10 | syl2anc |  | 
						
							| 12 | 4 5 | ltrnco |  | 
						
							| 13 | 7 8 11 12 | syl3anc |  | 
						
							| 14 | 1 3 4 5 | ltrnel |  | 
						
							| 15 | 14 | 3adant2r |  | 
						
							| 16 |  | eqid |  | 
						
							| 17 | 1 2 16 3 4 5 6 | trlval2 |  | 
						
							| 18 | 7 13 15 17 | syl3anc |  | 
						
							| 19 | 18 | oveq2d |  | 
						
							| 20 |  | simp1l |  | 
						
							| 21 |  | simp3l |  | 
						
							| 22 | 1 3 4 5 | ltrnat |  | 
						
							| 23 | 7 9 21 22 | syl3anc |  | 
						
							| 24 | 1 3 4 5 | ltrnat |  | 
						
							| 25 | 7 13 23 24 | syl3anc |  | 
						
							| 26 |  | eqid |  | 
						
							| 27 | 26 2 3 | hlatjcl |  | 
						
							| 28 | 20 23 25 27 | syl3anc |  | 
						
							| 29 |  | simp1r |  | 
						
							| 30 | 26 4 | lhpbase |  | 
						
							| 31 | 29 30 | syl |  | 
						
							| 32 | 1 2 3 | hlatlej1 |  | 
						
							| 33 | 20 23 25 32 | syl3anc |  | 
						
							| 34 | 26 1 2 16 3 | atmod3i1 |  | 
						
							| 35 | 20 23 28 31 33 34 | syl131anc |  | 
						
							| 36 | 1 3 4 5 | ltrncoval |  | 
						
							| 37 | 7 13 9 21 36 | syl121anc |  | 
						
							| 38 |  | coass |  | 
						
							| 39 | 26 4 5 | ltrn1o |  | 
						
							| 40 | 7 9 39 | syl2anc |  | 
						
							| 41 |  | f1ococnv1 |  | 
						
							| 42 | 40 41 | syl |  | 
						
							| 43 | 42 | coeq2d |  | 
						
							| 44 | 26 4 5 | ltrn1o |  | 
						
							| 45 | 7 8 44 | syl2anc |  | 
						
							| 46 |  | f1of |  | 
						
							| 47 |  | fcoi1 |  | 
						
							| 48 | 45 46 47 | 3syl |  | 
						
							| 49 | 43 48 | eqtrd |  | 
						
							| 50 | 38 49 | eqtrid |  | 
						
							| 51 | 50 | fveq1d |  | 
						
							| 52 | 37 51 | eqtr3d |  | 
						
							| 53 | 52 | oveq2d |  | 
						
							| 54 |  | eqid |  | 
						
							| 55 | 1 2 54 3 4 | lhpjat2 |  | 
						
							| 56 | 7 15 55 | syl2anc |  | 
						
							| 57 | 53 56 | oveq12d |  | 
						
							| 58 |  | hlol |  | 
						
							| 59 | 20 58 | syl |  | 
						
							| 60 | 1 3 4 5 | ltrnat |  | 
						
							| 61 | 7 8 21 60 | syl3anc |  | 
						
							| 62 | 26 2 3 | hlatjcl |  | 
						
							| 63 | 20 23 61 62 | syl3anc |  | 
						
							| 64 | 26 16 54 | olm11 |  | 
						
							| 65 | 59 63 64 | syl2anc |  | 
						
							| 66 | 57 65 | eqtrd |  | 
						
							| 67 | 19 35 66 | 3eqtrd |  |