| Step | Hyp | Ref | Expression | 
						
							| 1 |  | rprmval.b |  | 
						
							| 2 |  | rprmval.u |  | 
						
							| 3 |  | rprmval.1 |  | 
						
							| 4 |  | rprmval.m |  | 
						
							| 5 |  | rprmval.d |  | 
						
							| 6 |  | df-rprm |  | 
						
							| 7 |  | fvexd |  | 
						
							| 8 |  | simpr |  | 
						
							| 9 |  | fveq2 |  | 
						
							| 10 | 9 | adantr |  | 
						
							| 11 | 8 10 | eqtrd |  | 
						
							| 12 | 11 1 | eqtr4di |  | 
						
							| 13 |  | fveq2 |  | 
						
							| 14 | 13 2 | eqtr4di |  | 
						
							| 15 |  | fveq2 |  | 
						
							| 16 | 15 3 | eqtr4di |  | 
						
							| 17 | 16 | sneqd |  | 
						
							| 18 | 14 17 | uneq12d |  | 
						
							| 19 | 18 | adantr |  | 
						
							| 20 | 12 19 | difeq12d |  | 
						
							| 21 |  | fvexd |  | 
						
							| 22 |  | eqidd |  | 
						
							| 23 |  | simpr |  | 
						
							| 24 |  | fveq2 |  | 
						
							| 25 | 24 | ad2antrr |  | 
						
							| 26 | 23 25 | eqtrd |  | 
						
							| 27 | 26 5 | eqtr4di |  | 
						
							| 28 |  | fveq2 |  | 
						
							| 29 | 28 4 | eqtr4di |  | 
						
							| 30 | 29 | ad2antrr |  | 
						
							| 31 | 30 | oveqd |  | 
						
							| 32 | 22 27 31 | breq123d |  | 
						
							| 33 | 27 | breqd |  | 
						
							| 34 | 27 | breqd |  | 
						
							| 35 | 33 34 | orbi12d |  | 
						
							| 36 | 32 35 | imbi12d |  | 
						
							| 37 | 21 36 | sbcied |  | 
						
							| 38 | 12 37 | raleqbidv |  | 
						
							| 39 | 12 38 | raleqbidv |  | 
						
							| 40 | 20 39 | rabeqbidv |  | 
						
							| 41 | 7 40 | csbied |  | 
						
							| 42 |  | elex |  | 
						
							| 43 | 1 | fvexi |  | 
						
							| 44 | 43 | difexi |  | 
						
							| 45 | 44 | rabex |  | 
						
							| 46 | 45 | a1i |  | 
						
							| 47 | 6 41 42 46 | fvmptd3 |  |