| Step | Hyp | Ref | Expression | 
						
							| 1 |  | eqid |  | 
						
							| 2 | 1 | pntrmax |  | 
						
							| 3 | 1 | pntibnd |  | 
						
							| 4 |  | simpll |  | 
						
							| 5 |  | simplr |  | 
						
							| 6 |  | fveq2 |  | 
						
							| 7 |  | id |  | 
						
							| 8 | 6 7 | oveq12d |  | 
						
							| 9 | 8 | fveq2d |  | 
						
							| 10 | 9 | breq1d |  | 
						
							| 11 | 10 | cbvralvw |  | 
						
							| 12 | 5 11 | sylib |  | 
						
							| 13 |  | simprll |  | 
						
							| 14 |  | simprlr |  | 
						
							| 15 |  | eqid |  | 
						
							| 16 |  | eqid |  | 
						
							| 17 |  | simprr |  | 
						
							| 18 |  | breq2 |  | 
						
							| 19 |  | oveq2 |  | 
						
							| 20 | 19 | breq1d |  | 
						
							| 21 | 18 20 | anbi12d |  | 
						
							| 22 |  | id |  | 
						
							| 23 | 22 19 | oveq12d |  | 
						
							| 24 | 23 | raleqdv |  | 
						
							| 25 | 21 24 | anbi12d |  | 
						
							| 26 | 25 | cbvrexvw |  | 
						
							| 27 |  | breq1 |  | 
						
							| 28 |  | oveq2 |  | 
						
							| 29 | 28 | breq2d |  | 
						
							| 30 | 27 29 | anbi12d |  | 
						
							| 31 | 30 | anbi1d |  | 
						
							| 32 | 31 | rexbidv |  | 
						
							| 33 | 26 32 | bitrid |  | 
						
							| 34 | 33 | cbvralvw |  | 
						
							| 35 |  | oveq1 |  | 
						
							| 36 | 35 | raleqdv |  | 
						
							| 37 | 34 36 | bitrid |  | 
						
							| 38 | 37 | ralbidv |  | 
						
							| 39 | 38 | cbvrexvw |  | 
						
							| 40 | 39 | ralbii |  | 
						
							| 41 | 17 40 | sylib |  | 
						
							| 42 | 1 4 12 13 14 15 16 41 | pntleml |  | 
						
							| 43 | 42 | expr |  | 
						
							| 44 | 43 | rexlimdvva |  | 
						
							| 45 | 3 44 | mpi |  | 
						
							| 46 | 45 | rexlimiva |  | 
						
							| 47 | 2 46 | ax-mp |  |