| Step | Hyp | Ref | Expression | 
						
							| 1 |  | kmlem14.1 |  | 
						
							| 2 |  | kmlem14.2 |  | 
						
							| 3 |  | kmlem14.3 |  | 
						
							| 4 |  | nfv |  | 
						
							| 5 | 4 | eu1 |  | 
						
							| 6 |  | elin |  | 
						
							| 7 |  | clelsb1 |  | 
						
							| 8 |  | elin |  | 
						
							| 9 | 7 8 | bitri |  | 
						
							| 10 |  | equcom |  | 
						
							| 11 | 9 10 | imbi12i |  | 
						
							| 12 | 11 | albii |  | 
						
							| 13 | 6 12 | anbi12i |  | 
						
							| 14 |  | 19.28v |  | 
						
							| 15 | 13 14 | bitr4i |  | 
						
							| 16 | 15 | exbii |  | 
						
							| 17 | 5 16 | bitri |  | 
						
							| 18 | 17 | ralbii |  | 
						
							| 19 |  | df-ral |  | 
						
							| 20 | 2 | albii |  | 
						
							| 21 |  | 19.21v |  | 
						
							| 22 | 20 21 | bitri |  | 
						
							| 23 | 22 | exbii |  | 
						
							| 24 |  | 19.37v |  | 
						
							| 25 | 23 24 | bitri |  | 
						
							| 26 | 25 | albii |  | 
						
							| 27 | 19 26 | bitr4i |  | 
						
							| 28 | 3 18 27 | 3bitri |  | 
						
							| 29 | 28 | anbi2i |  | 
						
							| 30 |  | 19.28v |  | 
						
							| 31 |  | 19.28v |  | 
						
							| 32 | 31 | exbii |  | 
						
							| 33 |  | 19.42v |  | 
						
							| 34 | 32 33 | bitr2i |  | 
						
							| 35 | 34 | albii |  | 
						
							| 36 | 29 30 35 | 3bitr2i |  |