Metamath Proof Explorer
		
		
		
		Description:  A linear Hilbert space functional is a functional.  (Contributed by NM, 11-Feb-2006)  (New usage is discouraged.)
		
			
				
					|  |  | Ref | Expression | 
					
						|  | Hypothesis | lnfnl.1 |  | 
				
					|  | Assertion | lnfnfi |  | 
			
		
		
			
				Proof
				
					
						| Step | Hyp | Ref | Expression | 
						
							| 1 |  | lnfnl.1 |  | 
						
							| 2 |  | lnfnf |  | 
						
							| 3 | 1 2 | ax-mp |  |