| Step | Hyp | Ref | Expression | 
						
							| 1 |  | dia2dimlem10.l |  | 
						
							| 2 |  | dia2dimlem10.j |  | 
						
							| 3 |  | dia2dimlem10.a |  | 
						
							| 4 |  | dia2dimlem10.h |  | 
						
							| 5 |  | dia2dimlem10.t |  | 
						
							| 6 |  | dia2dimlem10.r |  | 
						
							| 7 |  | dia2dimlem10.y |  | 
						
							| 8 |  | dia2dimlem10.s |  | 
						
							| 9 |  | dia2dimlem10.n |  | 
						
							| 10 |  | dia2dimlem10.i |  | 
						
							| 11 |  | dia2dimlem10.k |  | 
						
							| 12 |  | dia2dimlem10.u |  | 
						
							| 13 |  | dia2dimlem10.v |  | 
						
							| 14 |  | dia2dimlem10.f |  | 
						
							| 15 |  | dia2dimlem10.fe |  | 
						
							| 16 | 4 5 6 7 10 9 | dia1dim2 |  | 
						
							| 17 | 11 14 16 | syl2anc |  | 
						
							| 18 | 4 7 | dvalvec |  | 
						
							| 19 |  | lveclmod |  | 
						
							| 20 | 11 18 19 | 3syl |  | 
						
							| 21 | 11 | simpld |  | 
						
							| 22 | 12 | simpld |  | 
						
							| 23 | 13 | simpld |  | 
						
							| 24 |  | eqid |  | 
						
							| 25 | 24 2 3 | hlatjcl |  | 
						
							| 26 | 21 22 23 25 | syl3anc |  | 
						
							| 27 | 12 | simprd |  | 
						
							| 28 | 13 | simprd |  | 
						
							| 29 | 21 | hllatd |  | 
						
							| 30 | 24 3 | atbase |  | 
						
							| 31 | 22 30 | syl |  | 
						
							| 32 | 24 3 | atbase |  | 
						
							| 33 | 23 32 | syl |  | 
						
							| 34 | 11 | simprd |  | 
						
							| 35 | 24 4 | lhpbase |  | 
						
							| 36 | 34 35 | syl |  | 
						
							| 37 | 24 1 2 | latjle12 |  | 
						
							| 38 | 29 31 33 36 37 | syl13anc |  | 
						
							| 39 | 27 28 38 | mpbi2and |  | 
						
							| 40 | 24 1 4 7 10 8 | dialss |  | 
						
							| 41 | 11 26 39 40 | syl12anc |  | 
						
							| 42 | 8 9 20 41 15 | ellspsn5 |  | 
						
							| 43 | 17 42 | eqsstrd |  | 
						
							| 44 | 24 4 5 6 | trlcl |  | 
						
							| 45 | 11 14 44 | syl2anc |  | 
						
							| 46 | 1 4 5 6 | trlle |  | 
						
							| 47 | 11 14 46 | syl2anc |  | 
						
							| 48 | 24 1 4 10 | diaord |  | 
						
							| 49 | 11 45 47 26 39 48 | syl122anc |  | 
						
							| 50 | 43 49 | mpbid |  |