| Step | Hyp | Ref | Expression | 
						
							| 1 |  | hdmap14lem12.h |  | 
						
							| 2 |  | hdmap14lem12.u |  | 
						
							| 3 |  | hdmap14lem12.v |  | 
						
							| 4 |  | hdmap14lem12.t |  | 
						
							| 5 |  | hdmap14lem12.r |  | 
						
							| 6 |  | hdmap14lem12.b |  | 
						
							| 7 |  | hdmap14lem12.c |  | 
						
							| 8 |  | hdmap14lem12.e |  | 
						
							| 9 |  | hdmap14lem12.s |  | 
						
							| 10 |  | hdmap14lem12.k |  | 
						
							| 11 |  | hdmap14lem12.f |  | 
						
							| 12 |  | hdmap14lem12.p |  | 
						
							| 13 |  | hdmap14lem12.a |  | 
						
							| 14 |  | hdmap14lem12.o |  | 
						
							| 15 |  | hdmap14lem12.x |  | 
						
							| 16 |  | hdmap14lem12.g |  | 
						
							| 17 |  | eqid |  | 
						
							| 18 | 10 | 3ad2ant1 |  | 
						
							| 19 |  | simp3 |  | 
						
							| 20 | 19 | eldifad |  | 
						
							| 21 | 11 | 3ad2ant1 |  | 
						
							| 22 | 1 2 3 4 5 6 7 8 17 12 13 9 18 20 21 | hdmap14lem2a |  | 
						
							| 23 |  | simp3 |  | 
						
							| 24 |  | eqid |  | 
						
							| 25 |  | eqid |  | 
						
							| 26 |  | eqid |  | 
						
							| 27 |  | simp11 |  | 
						
							| 28 | 27 10 | syl |  | 
						
							| 29 | 27 15 | syl |  | 
						
							| 30 |  | simp13 |  | 
						
							| 31 | 27 11 | syl |  | 
						
							| 32 | 27 16 | syl |  | 
						
							| 33 |  | simp2 |  | 
						
							| 34 |  | simp12 |  | 
						
							| 35 | 1 2 3 24 4 14 25 5 6 7 26 8 12 13 9 28 29 30 31 32 33 34 23 | hdmap14lem11 |  | 
						
							| 36 | 35 | oveq1d |  | 
						
							| 37 | 23 36 | eqtr4d |  | 
						
							| 38 | 37 | rexlimdv3a |  | 
						
							| 39 | 22 38 | mpd |  | 
						
							| 40 | 39 | 3expia |  | 
						
							| 41 | 40 | ralrimiv |  | 
						
							| 42 |  | oveq2 |  | 
						
							| 43 | 42 | fveq2d |  | 
						
							| 44 |  | fveq2 |  | 
						
							| 45 | 44 | oveq2d |  | 
						
							| 46 | 43 45 | eqeq12d |  | 
						
							| 47 | 46 | rspcv |  | 
						
							| 48 | 15 47 | syl |  | 
						
							| 49 | 48 | imp |  | 
						
							| 50 | 41 49 | impbida |  |