| Step | Hyp | Ref | Expression | 
						
							| 1 |  | opsrval.s |  | 
						
							| 2 |  | opsrval.o |  | 
						
							| 3 |  | opsrval.b |  | 
						
							| 4 |  | opsrval.q |  | 
						
							| 5 |  | opsrval.c |  | 
						
							| 6 |  | opsrval.d |  | 
						
							| 7 |  | opsrval.l |  | 
						
							| 8 |  | opsrval.i |  | 
						
							| 9 |  | opsrval.r |  | 
						
							| 10 |  | opsrval.t |  | 
						
							| 11 | 8 | elexd |  | 
						
							| 12 | 9 | elexd |  | 
						
							| 13 | 8 8 | xpexd |  | 
						
							| 14 |  | pwexg |  | 
						
							| 15 |  | mptexg |  | 
						
							| 16 | 13 14 15 | 3syl |  | 
						
							| 17 |  | simpl |  | 
						
							| 18 | 17 | sqxpeqd |  | 
						
							| 19 | 18 | pweqd |  | 
						
							| 20 |  | ovexd |  | 
						
							| 21 |  | id |  | 
						
							| 22 |  | oveq12 |  | 
						
							| 23 | 21 22 | sylan9eqr |  | 
						
							| 24 | 23 1 | eqtr4di |  | 
						
							| 25 | 24 | fveq2d |  | 
						
							| 26 | 25 3 | eqtr4di |  | 
						
							| 27 | 26 | sseq2d |  | 
						
							| 28 |  | ovex |  | 
						
							| 29 | 28 | rabex |  | 
						
							| 30 | 29 | a1i |  | 
						
							| 31 | 17 | adantr |  | 
						
							| 32 | 31 | oveq2d |  | 
						
							| 33 |  | rabeq |  | 
						
							| 34 | 32 33 | syl |  | 
						
							| 35 | 34 6 | eqtr4di |  | 
						
							| 36 |  | simpr |  | 
						
							| 37 |  | simpllr |  | 
						
							| 38 | 37 | fveq2d |  | 
						
							| 39 | 38 4 | eqtr4di |  | 
						
							| 40 | 39 | breqd |  | 
						
							| 41 | 31 | adantr |  | 
						
							| 42 | 41 | oveq2d |  | 
						
							| 43 | 42 | breqd |  | 
						
							| 44 | 43 | imbi1d |  | 
						
							| 45 | 36 44 | raleqbidv |  | 
						
							| 46 | 40 45 | anbi12d |  | 
						
							| 47 | 36 46 | rexeqbidv |  | 
						
							| 48 | 30 35 47 | sbcied2 |  | 
						
							| 49 | 48 | orbi1d |  | 
						
							| 50 | 27 49 | anbi12d |  | 
						
							| 51 | 50 | opabbidv |  | 
						
							| 52 | 51 | opeq2d |  | 
						
							| 53 | 24 52 | oveq12d |  | 
						
							| 54 | 20 53 | csbied |  | 
						
							| 55 | 19 54 | mpteq12dv |  | 
						
							| 56 |  | df-opsr |  | 
						
							| 57 | 55 56 | ovmpoga |  | 
						
							| 58 | 11 12 16 57 | syl3anc |  | 
						
							| 59 |  | simpr |  | 
						
							| 60 | 59 | oveq1d |  | 
						
							| 61 | 60 5 | eqtr4di |  | 
						
							| 62 | 61 | breqd |  | 
						
							| 63 | 62 | imbi1d |  | 
						
							| 64 | 63 | ralbidv |  | 
						
							| 65 | 64 | anbi2d |  | 
						
							| 66 | 65 | rexbidv |  | 
						
							| 67 | 66 | orbi1d |  | 
						
							| 68 | 67 | anbi2d |  | 
						
							| 69 | 68 | opabbidv |  | 
						
							| 70 | 69 7 | eqtr4di |  | 
						
							| 71 | 70 | opeq2d |  | 
						
							| 72 | 71 | oveq2d |  | 
						
							| 73 | 13 10 | sselpwd |  | 
						
							| 74 |  | ovexd |  | 
						
							| 75 | 58 72 73 74 | fvmptd |  | 
						
							| 76 | 2 75 | eqtrid |  |