| Step | Hyp | Ref | Expression | 
						
							| 1 |  | trlcnv.h |  | 
						
							| 2 |  | trlcnv.t |  | 
						
							| 3 |  | trlcnv.r |  | 
						
							| 4 |  | eqid |  | 
						
							| 5 |  | eqid |  | 
						
							| 6 | 4 5 1 | lhpexnle |  | 
						
							| 7 | 6 | adantr |  | 
						
							| 8 |  | eqid |  | 
						
							| 9 | 8 1 2 | ltrn1o |  | 
						
							| 10 | 9 | 3adant3 |  | 
						
							| 11 |  | simp3l |  | 
						
							| 12 | 8 5 | atbase |  | 
						
							| 13 | 11 12 | syl |  | 
						
							| 14 |  | f1ocnvfv1 |  | 
						
							| 15 | 10 13 14 | syl2anc |  | 
						
							| 16 | 15 | oveq2d |  | 
						
							| 17 |  | simp1l |  | 
						
							| 18 | 4 5 1 2 | ltrnat |  | 
						
							| 19 | 18 | 3adant3r |  | 
						
							| 20 |  | eqid |  | 
						
							| 21 | 20 5 | hlatjcom |  | 
						
							| 22 | 17 19 11 21 | syl3anc |  | 
						
							| 23 | 16 22 | eqtrd |  | 
						
							| 24 | 23 | oveq1d |  | 
						
							| 25 |  | simp1 |  | 
						
							| 26 | 1 2 | ltrncnv |  | 
						
							| 27 | 26 | 3adant3 |  | 
						
							| 28 | 4 5 1 2 | ltrnel |  | 
						
							| 29 |  | eqid |  | 
						
							| 30 | 4 20 29 5 1 2 3 | trlval2 |  | 
						
							| 31 | 25 27 28 30 | syl3anc |  | 
						
							| 32 | 4 20 29 5 1 2 3 | trlval2 |  | 
						
							| 33 | 24 31 32 | 3eqtr4d |  | 
						
							| 34 | 33 | 3expa |  | 
						
							| 35 | 7 34 | rexlimddv |  |