| 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 |  | cdlemg33.o |  | 
						
							| 10 |  | simp11 |  | 
						
							| 11 |  | simp12 |  | 
						
							| 12 |  | simp13 |  | 
						
							| 13 |  | simp21 |  | 
						
							| 14 |  | simp22l |  | 
						
							| 15 |  | simp31 |  | 
						
							| 16 | 1 2 3 4 5 6 7 8 | cdlemg31b0a |  | 
						
							| 17 | 10 11 12 13 14 15 16 | syl132anc |  | 
						
							| 18 |  | simp22r |  | 
						
							| 19 |  | simp32 |  | 
						
							| 20 | 1 2 3 4 5 6 7 9 | cdlemg31b0a |  | 
						
							| 21 | 10 11 12 13 18 19 20 | syl132anc |  | 
						
							| 22 |  | simpl1 |  | 
						
							| 23 |  | simpl21 |  | 
						
							| 24 |  | simpr |  | 
						
							| 25 |  | simpl22 |  | 
						
							| 26 |  | simpl23 |  | 
						
							| 27 |  | simpl31 |  | 
						
							| 28 |  | simpl33 |  | 
						
							| 29 | 1 2 3 4 5 6 7 8 9 | cdlemg33b |  | 
						
							| 30 | 22 23 24 25 26 27 28 29 | syl133anc |  | 
						
							| 31 | 30 | ex |  | 
						
							| 32 |  | simpl1 |  | 
						
							| 33 |  | simpl21 |  | 
						
							| 34 |  | simpr |  | 
						
							| 35 |  | simpl22 |  | 
						
							| 36 |  | simpl23 |  | 
						
							| 37 |  | simpl32 |  | 
						
							| 38 |  | simpl33 |  | 
						
							| 39 | 1 2 3 4 5 6 7 8 9 | cdlemg33d |  | 
						
							| 40 | 32 33 34 35 36 37 38 39 | syl133anc |  | 
						
							| 41 | 40 | ex |  | 
						
							| 42 |  | simpl1 |  | 
						
							| 43 |  | simpl21 |  | 
						
							| 44 |  | simpr |  | 
						
							| 45 |  | simpl22 |  | 
						
							| 46 |  | simpl23 |  | 
						
							| 47 |  | simpl31 |  | 
						
							| 48 |  | simpl33 |  | 
						
							| 49 | 1 2 3 4 5 6 7 8 9 | cdlemg33c |  | 
						
							| 50 | 42 43 44 45 46 47 48 49 | syl133anc |  | 
						
							| 51 | 50 | ex |  | 
						
							| 52 |  | simpl1 |  | 
						
							| 53 |  | simpl21 |  | 
						
							| 54 |  | simpr |  | 
						
							| 55 |  | simpl22 |  | 
						
							| 56 |  | simpl23 |  | 
						
							| 57 |  | simpl31 |  | 
						
							| 58 |  | simpl33 |  | 
						
							| 59 | 1 2 3 4 5 6 7 8 9 | cdlemg33e |  | 
						
							| 60 | 52 53 54 55 56 57 58 59 | syl133anc |  | 
						
							| 61 | 60 | ex |  | 
						
							| 62 | 31 41 51 61 | ccased |  | 
						
							| 63 | 17 21 62 | mp2and |  |