| Step | Hyp | Ref | Expression | 
						
							| 1 |  | hdmapevec.h |  | 
						
							| 2 |  | hdmapevec.e |  | 
						
							| 3 |  | hdmapevec.j |  | 
						
							| 4 |  | hdmapevec.s |  | 
						
							| 5 |  | hdmapevec.k |  | 
						
							| 6 |  | eqid |  | 
						
							| 7 |  | eqid |  | 
						
							| 8 |  | eqid |  | 
						
							| 9 |  | eqid |  | 
						
							| 10 |  | eqid |  | 
						
							| 11 |  | eqid |  | 
						
							| 12 | 1 9 10 6 7 11 2 5 | dvheveccl |  | 
						
							| 13 | 12 | eldifad |  | 
						
							| 14 | 1 6 7 8 5 13 | dvh2dim |  | 
						
							| 15 | 5 | 3ad2ant1 |  | 
						
							| 16 |  | eqid |  | 
						
							| 17 |  | eqid |  | 
						
							| 18 |  | eqid |  | 
						
							| 19 |  | simp2 |  | 
						
							| 20 |  | ssid |  | 
						
							| 21 | 20 20 | unssi |  | 
						
							| 22 | 21 | sseli |  | 
						
							| 23 | 22 | con3i |  | 
						
							| 24 | 23 | 3ad2ant3 |  | 
						
							| 25 | 1 2 3 4 15 6 7 8 16 17 18 19 24 | hdmapeveclem |  | 
						
							| 26 | 25 | rexlimdv3a |  | 
						
							| 27 | 14 26 | mpd |  |