| Step | Hyp | Ref | Expression | 
						
							| 1 |  | hba1 |  | 
						
							| 2 |  | hba1 |  | 
						
							| 3 |  | alcom |  | 
						
							| 4 | 3 | albii |  | 
						
							| 5 | 2 3 4 | 3imtr4i |  | 
						
							| 6 |  | idn1 |  | 
						
							| 7 |  | ax-11 |  | 
						
							| 8 | 6 7 | e1a |  | 
						
							| 9 |  | sp |  | 
						
							| 10 | 8 9 | e1a |  | 
						
							| 11 |  | hbntal |  | 
						
							| 12 | 10 11 | e1a |  | 
						
							| 13 | 5 12 | gen11nv |  | 
						
							| 14 |  | ax-11 |  | 
						
							| 15 | 13 14 | e1a |  | 
						
							| 16 |  | sp |  | 
						
							| 17 | 15 16 | e1a |  | 
						
							| 18 |  | hbalg |  | 
						
							| 19 | 17 18 | e1a |  | 
						
							| 20 |  | sp |  | 
						
							| 21 | 19 20 | e1a |  | 
						
							| 22 | 1 21 | gen11nv |  | 
						
							| 23 |  | hbntal |  | 
						
							| 24 | 22 23 | e1a |  | 
						
							| 25 |  | sp |  | 
						
							| 26 | 24 25 | e1a |  | 
						
							| 27 |  | df-ex |  | 
						
							| 28 |  | imbi1 |  | 
						
							| 29 | 28 | biimprcd |  | 
						
							| 30 | 26 27 29 | e10 |  | 
						
							| 31 | 27 | albii |  | 
						
							| 32 |  | imbi2 |  | 
						
							| 33 | 32 | biimprcd |  | 
						
							| 34 | 30 31 33 | e10 |  | 
						
							| 35 | 5 34 | gen11nv |  | 
						
							| 36 | 1 35 | gen11nv |  | 
						
							| 37 | 36 | in1 |  |