| Step | Hyp | Ref | Expression | 
						
							| 1 |  | trlcl.b |  | 
						
							| 2 |  | trlcl.h |  | 
						
							| 3 |  | trlcl.t |  | 
						
							| 4 |  | trlcl.r |  | 
						
							| 5 |  | eqid |  | 
						
							| 6 |  | eqid |  | 
						
							| 7 |  | eqid |  | 
						
							| 8 | 5 6 7 2 | lhpocnel |  | 
						
							| 9 | 8 | adantr |  | 
						
							| 10 |  | eqid |  | 
						
							| 11 |  | eqid |  | 
						
							| 12 | 5 10 11 7 2 3 4 | trlval2 |  | 
						
							| 13 | 9 12 | mpd3an3 |  | 
						
							| 14 |  | hllat |  | 
						
							| 15 | 14 | ad2antrr |  | 
						
							| 16 |  | hlop |  | 
						
							| 17 | 16 | ad2antrr |  | 
						
							| 18 | 1 2 | lhpbase |  | 
						
							| 19 | 18 | ad2antlr |  | 
						
							| 20 | 1 6 | opoccl |  | 
						
							| 21 | 17 19 20 | syl2anc |  | 
						
							| 22 | 1 2 3 | ltrncl |  | 
						
							| 23 | 21 22 | mpd3an3 |  | 
						
							| 24 | 1 10 | latjcl |  | 
						
							| 25 | 15 21 23 24 | syl3anc |  | 
						
							| 26 | 1 11 | latmcl |  | 
						
							| 27 | 15 25 19 26 | syl3anc |  | 
						
							| 28 | 13 27 | eqeltrd |  |