| Step | Hyp | Ref | Expression | 
						
							| 1 |  | psrval.s |  | 
						
							| 2 |  | psrval.k |  | 
						
							| 3 |  | psrval.a |  | 
						
							| 4 |  | psrval.m |  | 
						
							| 5 |  | psrval.o |  | 
						
							| 6 |  | psrval.d |  | 
						
							| 7 |  | psrval.b |  | 
						
							| 8 |  | psrval.p |  | 
						
							| 9 |  | psrval.t |  | 
						
							| 10 |  | psrval.v |  | 
						
							| 11 |  | psrval.j |  | 
						
							| 12 |  | psrval.i |  | 
						
							| 13 |  | psrval.r |  | 
						
							| 14 |  | df-psr |  | 
						
							| 15 | 14 | a1i |  | 
						
							| 16 |  | simprl |  | 
						
							| 17 | 16 | oveq2d |  | 
						
							| 18 |  | rabeq |  | 
						
							| 19 | 17 18 | syl |  | 
						
							| 20 | 19 6 | eqtr4di |  | 
						
							| 21 | 20 | csbeq1d |  | 
						
							| 22 |  | ovex |  | 
						
							| 23 | 22 | rabex |  | 
						
							| 24 | 20 23 | eqeltrrdi |  | 
						
							| 25 |  | simplrr |  | 
						
							| 26 | 25 | fveq2d |  | 
						
							| 27 | 26 2 | eqtr4di |  | 
						
							| 28 |  | simpr |  | 
						
							| 29 | 27 28 | oveq12d |  | 
						
							| 30 | 7 | ad2antrr |  | 
						
							| 31 | 29 30 | eqtr4d |  | 
						
							| 32 | 31 | csbeq1d |  | 
						
							| 33 |  | ovex |  | 
						
							| 34 | 31 33 | eqeltrrdi |  | 
						
							| 35 |  | simpr |  | 
						
							| 36 | 35 | opeq2d |  | 
						
							| 37 | 25 | adantr |  | 
						
							| 38 | 37 | fveq2d |  | 
						
							| 39 | 38 3 | eqtr4di |  | 
						
							| 40 | 39 | ofeqd |  | 
						
							| 41 | 35 35 | xpeq12d |  | 
						
							| 42 | 40 41 | reseq12d |  | 
						
							| 43 | 42 8 | eqtr4di |  | 
						
							| 44 | 43 | opeq2d |  | 
						
							| 45 | 28 | adantr |  | 
						
							| 46 |  | rabeq |  | 
						
							| 47 | 45 46 | syl |  | 
						
							| 48 | 37 | fveq2d |  | 
						
							| 49 | 48 4 | eqtr4di |  | 
						
							| 50 | 49 | oveqd |  | 
						
							| 51 | 47 50 | mpteq12dv |  | 
						
							| 52 | 37 51 | oveq12d |  | 
						
							| 53 | 45 52 | mpteq12dv |  | 
						
							| 54 | 35 35 53 | mpoeq123dv |  | 
						
							| 55 | 54 9 | eqtr4di |  | 
						
							| 56 | 55 | opeq2d |  | 
						
							| 57 | 36 44 56 | tpeq123d |  | 
						
							| 58 | 37 | opeq2d |  | 
						
							| 59 | 27 | adantr |  | 
						
							| 60 | 49 | ofeqd |  | 
						
							| 61 | 45 | xpeq1d |  | 
						
							| 62 |  | eqidd |  | 
						
							| 63 | 60 61 62 | oveq123d |  | 
						
							| 64 | 59 35 63 | mpoeq123dv |  | 
						
							| 65 | 64 10 | eqtr4di |  | 
						
							| 66 | 65 | opeq2d |  | 
						
							| 67 | 37 | fveq2d |  | 
						
							| 68 | 67 5 | eqtr4di |  | 
						
							| 69 | 68 | sneqd |  | 
						
							| 70 | 45 69 | xpeq12d |  | 
						
							| 71 | 70 | fveq2d |  | 
						
							| 72 | 11 | ad3antrrr |  | 
						
							| 73 | 71 72 | eqtr4d |  | 
						
							| 74 | 73 | opeq2d |  | 
						
							| 75 | 58 66 74 | tpeq123d |  | 
						
							| 76 | 57 75 | uneq12d |  | 
						
							| 77 | 34 76 | csbied |  | 
						
							| 78 | 32 77 | eqtrd |  | 
						
							| 79 | 24 78 | csbied |  | 
						
							| 80 | 21 79 | eqtrd |  | 
						
							| 81 | 12 | elexd |  | 
						
							| 82 | 13 | elexd |  | 
						
							| 83 |  | tpex |  | 
						
							| 84 |  | tpex |  | 
						
							| 85 | 83 84 | unex |  | 
						
							| 86 | 85 | a1i |  | 
						
							| 87 | 15 80 81 82 86 | ovmpod |  | 
						
							| 88 | 1 87 | eqtrid |  |