| Step | 
						Hyp | 
						Ref | 
						Expression | 
					
						
							| 1 | 
							
								
							 | 
							trlord.b | 
							   | 
						
						
							| 2 | 
							
								
							 | 
							trlord.l | 
							   | 
						
						
							| 3 | 
							
								
							 | 
							trlord.a | 
							   | 
						
						
							| 4 | 
							
								
							 | 
							trlord.h | 
							   | 
						
						
							| 5 | 
							
								
							 | 
							trlord.t | 
							   | 
						
						
							| 6 | 
							
								
							 | 
							trlord.r | 
							   | 
						
						
							| 7 | 
							
								
							 | 
							simpl1l | 
							   | 
						
						
							| 8 | 
							
								7
							 | 
							hllatd | 
							   | 
						
						
							| 9 | 
							
								
							 | 
							simpl1 | 
							   | 
						
						
							| 10 | 
							
								
							 | 
							simprlr | 
							   | 
						
						
							| 11 | 
							
								1 4 5 6
							 | 
							trlcl | 
							   | 
						
						
							| 12 | 
							
								9 10 11
							 | 
							syl2anc | 
							   | 
						
						
							| 13 | 
							
								
							 | 
							simpl2l | 
							   | 
						
						
							| 14 | 
							
								
							 | 
							simpl3l | 
							   | 
						
						
							| 15 | 
							
								
							 | 
							simprr | 
							   | 
						
						
							| 16 | 
							
								
							 | 
							simprll | 
							   | 
						
						
							| 17 | 
							
								1 2 8 12 13 14 15 16
							 | 
							lattrd | 
							   | 
						
						
							| 18 | 
							
								17
							 | 
							exp44 | 
							   | 
						
						
							| 19 | 
							
								18
							 | 
							ralrimdv | 
							   | 
						
						
							| 20 | 
							
								
							 | 
							simp11l | 
							   | 
						
						
							| 21 | 
							
								20
							 | 
							hllatd | 
							   | 
						
						
							| 22 | 
							
								
							 | 
							simp2r | 
							   | 
						
						
							| 23 | 
							
								1 3
							 | 
							atbase | 
							   | 
						
						
							| 24 | 
							
								22 23
							 | 
							syl | 
							   | 
						
						
							| 25 | 
							
								
							 | 
							simp12l | 
							   | 
						
						
							| 26 | 
							
								
							 | 
							simp11r | 
							   | 
						
						
							| 27 | 
							
								1 4
							 | 
							lhpbase | 
							   | 
						
						
							| 28 | 
							
								26 27
							 | 
							syl | 
							   | 
						
						
							| 29 | 
							
								
							 | 
							simp3 | 
							   | 
						
						
							| 30 | 
							
								
							 | 
							simp12r | 
							   | 
						
						
							| 31 | 
							
								1 2 21 24 25 28 29 30
							 | 
							lattrd | 
							   | 
						
						
							| 32 | 
							
								31 29
							 | 
							jca | 
							   | 
						
						
							| 33 | 
							
								32
							 | 
							3expia | 
							   | 
						
						
							| 34 | 
							
								
							 | 
							simp11 | 
							   | 
						
						
							| 35 | 
							
								
							 | 
							simp2r | 
							   | 
						
						
							| 36 | 
							
								
							 | 
							simp3 | 
							   | 
						
						
							| 37 | 
							
								2 3 4 5 6
							 | 
							cdlemf | 
							   | 
						
						
							| 38 | 
							
								34 35 36 37
							 | 
							syl12anc | 
							   | 
						
						
							| 39 | 
							
								
							 | 
							simp2l | 
							   | 
						
						
							| 40 | 
							
								
							 | 
							fveq2 | 
							   | 
						
						
							| 41 | 
							
								40
							 | 
							breq1d | 
							   | 
						
						
							| 42 | 
							
								40
							 | 
							breq1d | 
							   | 
						
						
							| 43 | 
							
								41 42
							 | 
							imbi12d | 
							   | 
						
						
							| 44 | 
							
								43
							 | 
							rspccv | 
							   | 
						
						
							| 45 | 
							
								39 44
							 | 
							syl | 
							   | 
						
						
							| 46 | 
							
								
							 | 
							breq1 | 
							   | 
						
						
							| 47 | 
							
								
							 | 
							breq1 | 
							   | 
						
						
							| 48 | 
							
								46 47
							 | 
							imbi12d | 
							   | 
						
						
							| 49 | 
							
								48
							 | 
							biimpcd | 
							   | 
						
						
							| 50 | 
							
								45 49
							 | 
							syl6 | 
							   | 
						
						
							| 51 | 
							
								50
							 | 
							rexlimdv | 
							   | 
						
						
							| 52 | 
							
								38 51
							 | 
							mpd | 
							   | 
						
						
							| 53 | 
							
								52
							 | 
							3expia | 
							   | 
						
						
							| 54 | 
							
								53
							 | 
							impd | 
							   | 
						
						
							| 55 | 
							
								33 54
							 | 
							syld | 
							   | 
						
						
							| 56 | 
							
								55
							 | 
							exp32 | 
							   | 
						
						
							| 57 | 
							
								56
							 | 
							ralrimdv | 
							   | 
						
						
							| 58 | 
							
								
							 | 
							simp1l | 
							   | 
						
						
							| 59 | 
							
								
							 | 
							simp2l | 
							   | 
						
						
							| 60 | 
							
								
							 | 
							simp3l | 
							   | 
						
						
							| 61 | 
							
								1 2 3
							 | 
							hlatle | 
							   | 
						
						
							| 62 | 
							
								58 59 60 61
							 | 
							syl3anc | 
							   | 
						
						
							| 63 | 
							
								57 62
							 | 
							sylibrd | 
							   | 
						
						
							| 64 | 
							
								19 63
							 | 
							impbid | 
							   |