| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemk1.b |  | 
						
							| 2 |  | cdlemk1.l |  | 
						
							| 3 |  | cdlemk1.j |  | 
						
							| 4 |  | cdlemk1.m |  | 
						
							| 5 |  | cdlemk1.a |  | 
						
							| 6 |  | cdlemk1.h |  | 
						
							| 7 |  | cdlemk1.t |  | 
						
							| 8 |  | cdlemk1.r |  | 
						
							| 9 |  | cdlemk1.s |  | 
						
							| 10 |  | cdlemk1.o |  | 
						
							| 11 |  | cdlemk1.u |  | 
						
							| 12 |  | cdlemk1.v |  | 
						
							| 13 |  | simp11l |  | 
						
							| 14 | 13 | hllatd |  | 
						
							| 15 |  | simp11r |  | 
						
							| 16 | 13 15 | jca |  | 
						
							| 17 |  | simp23 |  | 
						
							| 18 |  | simp212 |  | 
						
							| 19 |  | simp12 |  | 
						
							| 20 |  | simp13 |  | 
						
							| 21 |  | simp211 |  | 
						
							| 22 |  | simp331 |  | 
						
							| 23 |  | simp332 |  | 
						
							| 24 | 23 | necomd |  | 
						
							| 25 | 22 24 | jca |  | 
						
							| 26 |  | simp311 |  | 
						
							| 27 |  | simp313 |  | 
						
							| 28 |  | simp312 |  | 
						
							| 29 | 26 27 28 | 3jca |  | 
						
							| 30 |  | simp22 |  | 
						
							| 31 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemkuat |  | 
						
							| 32 | 16 17 18 19 20 21 25 29 30 31 | syl333anc |  | 
						
							| 33 | 1 5 | atbase |  | 
						
							| 34 | 32 33 | syl |  | 
						
							| 35 |  | simp213 |  | 
						
							| 36 |  | simp333 |  | 
						
							| 37 | 36 | necomd |  | 
						
							| 38 | 22 37 | jca |  | 
						
							| 39 |  | simp32 |  | 
						
							| 40 | 26 39 28 | 3jca |  | 
						
							| 41 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemkuat |  | 
						
							| 42 | 16 17 35 19 20 21 38 40 30 41 | syl333anc |  | 
						
							| 43 | 1 5 | atbase |  | 
						
							| 44 | 42 43 | syl |  | 
						
							| 45 |  | simp22l |  | 
						
							| 46 | 1 2 3 5 6 7 8 4 12 | cdlemkvcl |  | 
						
							| 47 | 13 15 20 18 35 45 46 | syl231anc |  | 
						
							| 48 | 1 3 | latjcl |  | 
						
							| 49 | 14 44 47 48 | syl3anc |  | 
						
							| 50 | 6 7 | ltrncnv |  | 
						
							| 51 | 16 18 50 | syl2anc |  | 
						
							| 52 | 6 7 | ltrnco |  | 
						
							| 53 | 16 35 51 52 | syl3anc |  | 
						
							| 54 | 1 6 7 8 | trlcl |  | 
						
							| 55 | 16 53 54 | syl2anc |  | 
						
							| 56 | 1 3 | latjcl |  | 
						
							| 57 | 14 44 55 56 | syl3anc |  | 
						
							| 58 | 1 2 3 4 5 6 7 8 9 10 11 12 | cdlemk7u |  | 
						
							| 59 | 1 2 3 5 6 7 8 4 12 | cdlemk10 |  | 
						
							| 60 | 13 15 20 18 35 30 59 | syl231anc |  | 
						
							| 61 | 1 2 3 | latjlej2 |  | 
						
							| 62 | 14 47 55 44 61 | syl13anc |  | 
						
							| 63 | 60 62 | mpd |  | 
						
							| 64 | 1 2 14 34 49 57 58 63 | lattrd |  |