| Step | Hyp | Ref | Expression | 
						
							| 1 |  | lcdlsp.h |  | 
						
							| 2 |  | lcdlsp.u |  | 
						
							| 3 |  | lcdlsp.d |  | 
						
							| 4 |  | lcdlsp.m |  | 
						
							| 5 |  | lcdlsp.c |  | 
						
							| 6 |  | lcdlsp.f |  | 
						
							| 7 |  | lcdlsp.n |  | 
						
							| 8 |  | lcdlsp.k |  | 
						
							| 9 |  | lcdlsp.g |  | 
						
							| 10 |  | eqid |  | 
						
							| 11 |  | eqid |  | 
						
							| 12 |  | eqid |  | 
						
							| 13 | 1 10 5 2 11 12 3 8 | lcdval |  | 
						
							| 14 | 13 | fveq2d |  | 
						
							| 15 | 7 14 | eqtrid |  | 
						
							| 16 | 15 | fveq1d |  | 
						
							| 17 | 1 2 8 | dvhlmod |  | 
						
							| 18 | 3 17 | lduallmod |  | 
						
							| 19 |  | eqid |  | 
						
							| 20 |  | eqid |  | 
						
							| 21 | 1 2 10 11 12 3 19 20 8 | lclkr |  | 
						
							| 22 | 1 10 5 6 2 11 12 20 8 | lcdvbase |  | 
						
							| 23 | 9 22 | sseqtrd |  | 
						
							| 24 |  | eqid |  | 
						
							| 25 |  | eqid |  | 
						
							| 26 | 24 4 25 19 | lsslsp |  | 
						
							| 27 | 18 21 23 26 | syl3anc |  | 
						
							| 28 | 16 27 | eqtrd |  |