Metamath Proof Explorer
		
		
		
		Description:  Ten plus an integer.  (Contributed by Mario Carneiro, 19-Apr-2015)
     (Revised by AV, 6-Sep-2021)
		
			
				
					 | 
					 | 
					Ref | 
					Expression | 
				
				
					 | 
					Assertion | 
					dec10p | 
					Could not format assertion : No typesetting found for |- ( ; 1 0 + A ) = ; 1 A with typecode |- | 
				
			
		
		
			
				Proof
				
					
						| Step | 
						Hyp | 
						Ref | 
						Expression | 
					
						
							| 1 | 
							
								
							 | 
							dfdec10 | 
							Could not format  ; 1 A = ( ( ; 1 0 x. 1 ) + A ) : No typesetting found for |- ; 1 A = ( ( ; 1 0 x. 1 ) + A ) with typecode |- | 
						
						
							| 2 | 
							
								
							 | 
							10nn | 
							   | 
						
						
							| 3 | 
							
								2
							 | 
							nncni | 
							   | 
						
						
							| 4 | 
							
								3
							 | 
							mulridi | 
							   | 
						
						
							| 5 | 
							
								4
							 | 
							oveq1i | 
							   | 
						
						
							| 6 | 
							
								1 5
							 | 
							eqtr2i | 
							Could not format  ( ; 1 0 + A ) = ; 1 A : No typesetting found for |- ( ; 1 0 + A ) = ; 1 A with typecode |- |