| Step | Hyp | Ref | Expression | 
						
							| 1 |  | hdmap1eq2.h |  | 
						
							| 2 |  | hdmap1eq2.u |  | 
						
							| 3 |  | hdmap1eq2.v |  | 
						
							| 4 |  | hdmap1eq2.o |  | 
						
							| 5 |  | hdmap1eq2.n |  | 
						
							| 6 |  | hdmap1eq2.c |  | 
						
							| 7 |  | hdmap1eq2.d |  | 
						
							| 8 |  | hdmap1eq2.l |  | 
						
							| 9 |  | hdmap1eq2.m |  | 
						
							| 10 |  | hdmap1eq2.i |  | 
						
							| 11 |  | hdmap1eq2.k |  | 
						
							| 12 |  | hdmap1eq2.f |  | 
						
							| 13 |  | hdmap1eq2.mn |  | 
						
							| 14 |  | hdmap1eq2.ne |  | 
						
							| 15 |  | hdmap1eq2.x |  | 
						
							| 16 |  | hdmap1eq2.y |  | 
						
							| 17 |  | hdmap1eq2.e |  | 
						
							| 18 |  | eqid |  | 
						
							| 19 |  | eqid |  | 
						
							| 20 |  | eqid |  | 
						
							| 21 | 16 | eldifad |  | 
						
							| 22 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 21 | hdmap1cl |  | 
						
							| 23 | 17 22 | eqeltrrd |  | 
						
							| 24 | 15 | eldifad |  | 
						
							| 25 |  | eqid |  | 
						
							| 26 | 1 2 3 18 4 5 6 7 19 20 8 9 10 11 16 23 24 25 | hdmap1valc |  | 
						
							| 27 | 1 2 3 18 4 5 6 7 19 20 8 9 10 11 15 12 21 25 | hdmap1valc |  | 
						
							| 28 | 27 17 | eqtr3d |  | 
						
							| 29 | 1 2 3 18 4 5 6 7 19 20 8 9 25 11 12 13 28 14 15 16 | mapdh75e |  | 
						
							| 30 | 26 29 | eqtrd |  |