| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemk5.b |  | 
						
							| 2 |  | cdlemk5.l |  | 
						
							| 3 |  | cdlemk5.j |  | 
						
							| 4 |  | cdlemk5.m |  | 
						
							| 5 |  | cdlemk5.a |  | 
						
							| 6 |  | cdlemk5.h |  | 
						
							| 7 |  | cdlemk5.t |  | 
						
							| 8 |  | cdlemk5.r |  | 
						
							| 9 |  | simp1 |  | 
						
							| 10 |  | simp23 |  | 
						
							| 11 |  | simp3r |  | 
						
							| 12 | 2 3 5 6 7 8 | trljat3 |  | 
						
							| 13 | 9 10 11 12 | syl3anc |  | 
						
							| 14 |  | simp1l |  | 
						
							| 15 |  | simp21 |  | 
						
							| 16 |  | simp3rl |  | 
						
							| 17 | 2 5 6 7 | ltrnat |  | 
						
							| 18 | 9 15 16 17 | syl3anc |  | 
						
							| 19 | 2 5 6 7 | ltrnat |  | 
						
							| 20 | 9 10 16 19 | syl3anc |  | 
						
							| 21 | 3 5 | hlatjcom |  | 
						
							| 22 | 14 18 20 21 | syl3anc |  | 
						
							| 23 | 2 3 5 6 7 8 | trlcoabs2N |  | 
						
							| 24 | 9 15 10 11 23 | syl121anc |  | 
						
							| 25 | 6 7 8 | trlcocnv |  | 
						
							| 26 | 9 15 10 25 | syl3anc |  | 
						
							| 27 | 26 | oveq2d |  | 
						
							| 28 | 2 3 5 6 7 8 | trlcoabs2N |  | 
						
							| 29 | 9 10 15 11 28 | syl121anc |  | 
						
							| 30 | 27 29 | eqtr3d |  | 
						
							| 31 | 22 24 30 | 3eqtr4d |  | 
						
							| 32 | 13 31 | oveq12d |  | 
						
							| 33 | 1 6 7 8 | trlcl |  | 
						
							| 34 | 9 10 33 | syl2anc |  | 
						
							| 35 |  | simp1r |  | 
						
							| 36 |  | simp3l |  | 
						
							| 37 | 5 6 7 8 | trlcocnvat |  | 
						
							| 38 | 14 35 10 15 36 37 | syl221anc |  | 
						
							| 39 | 2 5 6 7 | ltrnel |  | 
						
							| 40 | 9 10 11 39 | syl3anc |  | 
						
							| 41 | 6 7 | ltrncnv |  | 
						
							| 42 | 9 15 41 | syl2anc |  | 
						
							| 43 | 6 7 8 | trlcnv |  | 
						
							| 44 | 9 15 43 | syl2anc |  | 
						
							| 45 | 36 44 | neeqtrrd |  | 
						
							| 46 |  | simp22 |  | 
						
							| 47 | 1 6 7 | ltrncnvnid |  | 
						
							| 48 | 9 15 46 47 | syl3anc |  | 
						
							| 49 | 1 6 7 8 | trlcone |  | 
						
							| 50 | 9 10 42 45 48 49 | syl122anc |  | 
						
							| 51 |  | eqid |  | 
						
							| 52 | 51 5 6 7 8 | trlator0 |  | 
						
							| 53 | 9 10 52 | syl2anc |  | 
						
							| 54 | 2 6 7 8 | trlle |  | 
						
							| 55 | 14 35 10 54 | syl21anc |  | 
						
							| 56 | 6 7 | ltrnco |  | 
						
							| 57 | 9 10 42 56 | syl3anc |  | 
						
							| 58 | 2 6 7 8 | trlle |  | 
						
							| 59 | 9 57 58 | syl2anc |  | 
						
							| 60 | 2 3 51 5 6 | lhp2at0nle |  | 
						
							| 61 | 9 40 50 53 55 38 59 60 | syl322anc |  | 
						
							| 62 | 1 2 3 4 5 | 2llnma1b |  | 
						
							| 63 | 14 34 20 38 61 62 | syl131anc |  | 
						
							| 64 | 32 63 | eqtrd |  |