| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdleme46fg.j |  | 
						
							| 2 |  | cdleme46fg.a |  | 
						
							| 3 |  | simp11 |  | 
						
							| 4 |  | simp13 |  | 
						
							| 5 |  | simp12 |  | 
						
							| 6 | 3 4 5 | 3jca |  | 
						
							| 7 |  | simp21 |  | 
						
							| 8 | 7 | necomd |  | 
						
							| 9 |  | simp22 |  | 
						
							| 10 |  | simp23 |  | 
						
							| 11 | 8 9 10 | 3jca |  | 
						
							| 12 |  | simpl1l |  | 
						
							| 13 |  | simpl2l |  | 
						
							| 14 |  | simpl3l |  | 
						
							| 15 | 1 2 | hlatjcom |  | 
						
							| 16 | 12 13 14 15 | syl3anc |  | 
						
							| 17 | 16 | breq2d |  | 
						
							| 18 | 16 | breq2d |  | 
						
							| 19 | 18 | notbid |  | 
						
							| 20 | 17 19 | anbi12d |  | 
						
							| 21 | 20 | biimp3a |  | 
						
							| 22 | 6 11 21 | 3jca |  |