| Step | Hyp | Ref | Expression | 
						
							| 1 |  | rpvmasum.z |  | 
						
							| 2 |  | rpvmasum.l |  | 
						
							| 3 |  | rpvmasum.a |  | 
						
							| 4 |  | rpvmasum.g |  | 
						
							| 5 |  | rpvmasum.d |  | 
						
							| 6 |  | rpvmasum.1 |  | 
						
							| 7 |  | dchrisum.b |  | 
						
							| 8 |  | dchrisum.n1 |  | 
						
							| 9 |  | dchrvmasumif.f |  | 
						
							| 10 |  | dchrvmasumif.c |  | 
						
							| 11 |  | dchrvmasumif.s |  | 
						
							| 12 |  | dchrvmasumif.1 |  | 
						
							| 13 |  | eqid |  | 
						
							| 14 | 1 2 3 4 5 6 7 8 13 | dchrvmasumlema |  | 
						
							| 15 | 3 | adantr |  | 
						
							| 16 | 7 | adantr |  | 
						
							| 17 | 8 | adantr |  | 
						
							| 18 | 10 | adantr |  | 
						
							| 19 | 11 | adantr |  | 
						
							| 20 | 12 | adantr |  | 
						
							| 21 |  | simprl |  | 
						
							| 22 |  | simprrl |  | 
						
							| 23 |  | simprrr |  | 
						
							| 24 | 1 2 15 4 5 6 16 17 9 18 19 20 13 21 22 23 | dchrvmasumiflem2 |  | 
						
							| 25 | 24 | rexlimdvaa |  | 
						
							| 26 | 25 | exlimdv |  | 
						
							| 27 | 14 26 | mpd |  |