| Step | Hyp | Ref | Expression | 
						
							| 1 |  | pm2mpfo.p |  | 
						
							| 2 |  | pm2mpfo.c |  | 
						
							| 3 |  | pm2mpfo.b |  | 
						
							| 4 |  | pm2mpfo.m |  | 
						
							| 5 |  | pm2mpfo.e |  | 
						
							| 6 |  | pm2mpfo.x |  | 
						
							| 7 |  | pm2mpfo.a |  | 
						
							| 8 |  | pm2mpfo.q |  | 
						
							| 9 |  | pm2mpfo.l |  | 
						
							| 10 | 7 | matring |  | 
						
							| 11 | 10 | 3adant3 |  | 
						
							| 12 | 11 | adantr |  | 
						
							| 13 |  | simpl2 |  | 
						
							| 14 |  | simpl3 |  | 
						
							| 15 |  | simpr |  | 
						
							| 16 |  | eqid |  | 
						
							| 17 | 1 2 3 7 16 | decpmatcl |  | 
						
							| 18 | 13 14 15 17 | syl3anc |  | 
						
							| 19 |  | eqid |  | 
						
							| 20 | 16 8 6 4 19 5 9 | ply1tmcl |  | 
						
							| 21 | 12 18 15 20 | syl3anc |  |