| Step | Hyp | Ref | Expression | 
						
							| 1 |  | po0 |  | 
						
							| 2 |  | snprc |  | 
						
							| 3 |  | poeq2 |  | 
						
							| 4 | 2 3 | sylbi |  | 
						
							| 5 | 1 4 | mpbiri |  | 
						
							| 6 | 5 | adantl |  | 
						
							| 7 |  | brrelex1 |  | 
						
							| 8 | 7 | stoic1a |  | 
						
							| 9 | 6 8 | 2thd |  | 
						
							| 10 | 9 | ex |  | 
						
							| 11 |  | df-po |  | 
						
							| 12 |  | breq2 |  | 
						
							| 13 | 12 | anbi2d |  | 
						
							| 14 |  | breq2 |  | 
						
							| 15 | 13 14 | imbi12d |  | 
						
							| 16 | 15 | anbi2d |  | 
						
							| 17 | 16 | ralsng |  | 
						
							| 18 | 17 | ralbidv |  | 
						
							| 19 |  | simpl |  | 
						
							| 20 |  | breq2 |  | 
						
							| 21 | 19 20 | imbitrid |  | 
						
							| 22 | 21 | biantrud |  | 
						
							| 23 | 22 | bicomd |  | 
						
							| 24 | 23 | ralsng |  | 
						
							| 25 | 18 24 | bitrd |  | 
						
							| 26 | 25 | ralbidv |  | 
						
							| 27 |  | breq12 |  | 
						
							| 28 | 27 | anidms |  | 
						
							| 29 | 28 | notbid |  | 
						
							| 30 | 29 | ralsng |  | 
						
							| 31 | 26 30 | bitrd |  | 
						
							| 32 | 11 31 | bitrid |  | 
						
							| 33 | 10 32 | pm2.61d2 |  |