| Step | Hyp | Ref | Expression | 
						
							| 1 |  | ltrnatb.b |  | 
						
							| 2 |  | ltrnatb.a |  | 
						
							| 3 |  | ltrnatb.h |  | 
						
							| 4 |  | ltrnatb.t |  | 
						
							| 5 |  | simp3 |  | 
						
							| 6 | 1 3 4 | ltrncl |  | 
						
							| 7 | 5 6 | 2thd |  | 
						
							| 8 |  | simp1 |  | 
						
							| 9 |  | simp2 |  | 
						
							| 10 |  | simp1l |  | 
						
							| 11 |  | hlop |  | 
						
							| 12 |  | eqid |  | 
						
							| 13 | 1 12 | op0cl |  | 
						
							| 14 | 10 11 13 | 3syl |  | 
						
							| 15 |  | eqid |  | 
						
							| 16 | 1 15 3 4 | ltrncvr |  | 
						
							| 17 | 8 9 14 5 16 | syl112anc |  | 
						
							| 18 | 10 11 | syl |  | 
						
							| 19 |  | simp1r |  | 
						
							| 20 | 1 3 | lhpbase |  | 
						
							| 21 | 19 20 | syl |  | 
						
							| 22 |  | eqid |  | 
						
							| 23 | 1 22 12 | op0le |  | 
						
							| 24 | 18 21 23 | syl2anc |  | 
						
							| 25 | 1 22 3 4 | ltrnval1 |  | 
						
							| 26 | 8 9 14 24 25 | syl112anc |  | 
						
							| 27 | 26 | breq1d |  | 
						
							| 28 | 17 27 | bitrd |  | 
						
							| 29 | 7 28 | anbi12d |  | 
						
							| 30 | 1 12 15 2 | isat |  | 
						
							| 31 | 10 30 | syl |  | 
						
							| 32 | 1 12 15 2 | isat |  | 
						
							| 33 | 10 32 | syl |  | 
						
							| 34 | 29 31 33 | 3bitr4d |  |