| Step | Hyp | Ref | Expression | 
						
							| 1 |  | hlhilbase.h |  | 
						
							| 2 |  | hlhilbase.u |  | 
						
							| 3 |  | hlhilbase.k |  | 
						
							| 4 |  | hlhilbase.l |  | 
						
							| 5 |  | hlhilbase.m |  | 
						
							| 6 | 5 | fvexi |  | 
						
							| 7 |  | eqid |  | 
						
							| 8 | 7 | phlbase |  | 
						
							| 9 | 6 8 | ax-mp |  | 
						
							| 10 |  | eqid |  | 
						
							| 11 |  | eqid |  | 
						
							| 12 |  | eqid |  | 
						
							| 13 |  | eqid |  | 
						
							| 14 |  | eqid |  | 
						
							| 15 |  | eqid |  | 
						
							| 16 |  | eqid |  | 
						
							| 17 | 1 2 4 5 10 11 12 13 14 15 16 3 | hlhilset |  | 
						
							| 18 | 17 | fveq2d |  | 
						
							| 19 | 9 18 | eqtr4id |  |