| Step | Hyp | Ref | Expression | 
						
							| 1 |  | om1val.o |  | 
						
							| 2 |  | om1val.b |  | 
						
							| 3 |  | om1val.p |  | 
						
							| 4 |  | om1val.k |  | 
						
							| 5 |  | om1val.j |  | 
						
							| 6 |  | om1val.y |  | 
						
							| 7 |  | df-om1 |  | 
						
							| 8 | 7 | a1i |  | 
						
							| 9 |  | simprl |  | 
						
							| 10 | 9 | oveq2d |  | 
						
							| 11 |  | simprr |  | 
						
							| 12 | 11 | eqeq2d |  | 
						
							| 13 | 11 | eqeq2d |  | 
						
							| 14 | 12 13 | anbi12d |  | 
						
							| 15 | 10 14 | rabeqbidv |  | 
						
							| 16 | 2 | adantr |  | 
						
							| 17 | 15 16 | eqtr4d |  | 
						
							| 18 | 17 | opeq2d |  | 
						
							| 19 | 9 | fveq2d |  | 
						
							| 20 | 3 | adantr |  | 
						
							| 21 | 19 20 | eqtr4d |  | 
						
							| 22 | 21 | opeq2d |  | 
						
							| 23 | 9 | oveq1d |  | 
						
							| 24 | 4 | adantr |  | 
						
							| 25 | 23 24 | eqtr4d |  | 
						
							| 26 | 25 | opeq2d |  | 
						
							| 27 | 18 22 26 | tpeq123d |  | 
						
							| 28 |  | unieq |  | 
						
							| 29 | 28 | adantl |  | 
						
							| 30 |  | toponuni |  | 
						
							| 31 | 5 30 | syl |  | 
						
							| 32 | 31 | adantr |  | 
						
							| 33 | 29 32 | eqtr4d |  | 
						
							| 34 |  | topontop |  | 
						
							| 35 | 5 34 | syl |  | 
						
							| 36 |  | tpex |  | 
						
							| 37 | 36 | a1i |  | 
						
							| 38 | 8 27 33 35 6 37 | ovmpodx |  | 
						
							| 39 | 1 38 | eqtrid |  |