| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemg12.l |  | 
						
							| 2 |  | cdlemg12.j |  | 
						
							| 3 |  | cdlemg12.m |  | 
						
							| 4 |  | cdlemg12.a |  | 
						
							| 5 |  | cdlemg12.h |  | 
						
							| 6 |  | cdlemg12.t |  | 
						
							| 7 |  | cdlemg12b.r |  | 
						
							| 8 |  | cdlemg31.n |  | 
						
							| 9 |  | simp22r |  | 
						
							| 10 | 9 | adantr |  | 
						
							| 11 |  | simpl1 |  | 
						
							| 12 |  | simp21l |  | 
						
							| 13 | 12 | adantr |  | 
						
							| 14 |  | simp22l |  | 
						
							| 15 | 14 | adantr |  | 
						
							| 16 |  | simp23l |  | 
						
							| 17 | 16 | adantr |  | 
						
							| 18 |  | simpl31 |  | 
						
							| 19 | 1 2 3 4 5 6 7 8 | cdlemg31b |  | 
						
							| 20 | 11 13 15 17 18 19 | syl122anc |  | 
						
							| 21 |  | simpl21 |  | 
						
							| 22 |  | simpr |  | 
						
							| 23 |  | eqid |  | 
						
							| 24 | 1 23 4 5 6 7 | trl0 |  | 
						
							| 25 | 11 21 18 22 24 | syl112anc |  | 
						
							| 26 | 25 | oveq2d |  | 
						
							| 27 |  | simp1l |  | 
						
							| 28 |  | hlol |  | 
						
							| 29 | 27 28 | syl |  | 
						
							| 30 | 29 | adantr |  | 
						
							| 31 |  | eqid |  | 
						
							| 32 | 31 4 | atbase |  | 
						
							| 33 | 15 32 | syl |  | 
						
							| 34 | 31 2 23 | olj01 |  | 
						
							| 35 | 30 33 34 | syl2anc |  | 
						
							| 36 | 26 35 | eqtrd |  | 
						
							| 37 | 20 36 | breqtrd |  | 
						
							| 38 |  | hlatl |  | 
						
							| 39 | 27 38 | syl |  | 
						
							| 40 | 39 | adantr |  | 
						
							| 41 |  | simpl33 |  | 
						
							| 42 | 1 4 | atcmp |  | 
						
							| 43 | 40 41 15 42 | syl3anc |  | 
						
							| 44 | 37 43 | mpbid |  | 
						
							| 45 | 44 | breq1d |  | 
						
							| 46 | 10 45 | mtbird |  | 
						
							| 47 |  | simpl1 |  | 
						
							| 48 |  | simpl21 |  | 
						
							| 49 |  | simpl22 |  | 
						
							| 50 |  | simpl23 |  | 
						
							| 51 |  | simpl31 |  | 
						
							| 52 |  | simpl32 |  | 
						
							| 53 |  | simpr |  | 
						
							| 54 |  | simpl33 |  | 
						
							| 55 | 1 2 3 4 5 6 7 8 | cdlemg31c |  | 
						
							| 56 | 47 48 49 50 51 52 53 54 55 | syl323anc |  | 
						
							| 57 | 46 56 | pm2.61dane |  |