| Step | Hyp | Ref | Expression | 
						
							| 1 |  | hhcn.1 |  | 
						
							| 2 |  | hhcn.2 |  | 
						
							| 3 |  | df-rab |  | 
						
							| 4 |  | df-cnop |  | 
						
							| 5 | 1 | hilmetdval |  | 
						
							| 6 |  | normsub |  | 
						
							| 7 | 5 6 | eqtrd |  | 
						
							| 8 | 7 | adantll |  | 
						
							| 9 | 8 | breq1d |  | 
						
							| 10 |  | ffvelcdm |  | 
						
							| 11 |  | ffvelcdm |  | 
						
							| 12 | 10 11 | anim12dan |  | 
						
							| 13 | 1 | hilmetdval |  | 
						
							| 14 |  | normsub |  | 
						
							| 15 | 13 14 | eqtrd |  | 
						
							| 16 | 12 15 | syl |  | 
						
							| 17 | 16 | anassrs |  | 
						
							| 18 | 17 | breq1d |  | 
						
							| 19 | 9 18 | imbi12d |  | 
						
							| 20 | 19 | ralbidva |  | 
						
							| 21 | 20 | rexbidv |  | 
						
							| 22 | 21 | ralbidv |  | 
						
							| 23 | 22 | ralbidva |  | 
						
							| 24 | 23 | pm5.32i |  | 
						
							| 25 | 1 | hilxmet |  | 
						
							| 26 | 2 2 | metcn |  | 
						
							| 27 | 25 25 26 | mp2an |  | 
						
							| 28 |  | ax-hilex |  | 
						
							| 29 | 28 28 | elmap |  | 
						
							| 30 | 29 | anbi1i |  | 
						
							| 31 | 24 27 30 | 3bitr4i |  | 
						
							| 32 | 31 | eqabi |  | 
						
							| 33 | 3 4 32 | 3eqtr4i |  |