| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemg8.l |  | 
						
							| 2 |  | cdlemg8.j |  | 
						
							| 3 |  | cdlemg8.m |  | 
						
							| 4 |  | cdlemg8.a |  | 
						
							| 5 |  | cdlemg8.h |  | 
						
							| 6 |  | cdlemg8.t |  | 
						
							| 7 |  | eqid |  | 
						
							| 8 | 1 2 3 4 5 6 7 | cdlemg9a |  | 
						
							| 9 |  | simp1l |  | 
						
							| 10 |  | simp1r |  | 
						
							| 11 |  | simp21 |  | 
						
							| 12 |  | simp22l |  | 
						
							| 13 | 1 2 3 4 5 7 | cdlemg3a |  | 
						
							| 14 | 9 10 11 12 13 | syl211anc |  | 
						
							| 15 |  | simp1 |  | 
						
							| 16 |  | simp22 |  | 
						
							| 17 |  | simp23 |  | 
						
							| 18 |  | simp31 |  | 
						
							| 19 | 5 6 1 2 4 3 7 | cdlemg2l |  | 
						
							| 20 | 15 11 16 17 18 19 | syl122anc |  | 
						
							| 21 | 14 20 | oveq12d |  | 
						
							| 22 | 5 6 1 2 4 3 7 | cdlemg2k |  | 
						
							| 23 | 15 11 16 18 22 | syl121anc |  | 
						
							| 24 | 8 21 23 | 3brtr4d |  |