Metamath Proof Explorer
		
		
		
		Description:  Closure of the decimal point in the positive real numbers.  (Contributed by Thierry Arnoux, 16-Dec-2021)
		
			
				
					|  |  | Ref | Expression | 
					
						|  | Hypotheses | rpdpcl.a |  | 
					
						|  |  | rpdpcl.b |  | 
				
					|  | Assertion | rpdpcl |  | 
			
		
		
			
				Proof
				
					
						| Step | Hyp | Ref | Expression | 
						
							| 1 |  | rpdpcl.a |  | 
						
							| 2 |  | rpdpcl.b |  | 
						
							| 3 | 1 2 | dpval3rp | Could not format  ( A . B ) = _ A B : No typesetting found for |- ( A . B ) = _ A B with typecode |- | 
						
							| 4 | 1 2 | rpdp2cl | Could not format  _ A B e. RR+ : No typesetting found for |- _ A B e. RR+ with typecode |- | 
						
							| 5 | 3 4 | eqeltri |  |