 
            
            
            
            
                11 Jul
                
                    2006
                
            
            
                11 Jul
                
                '06
                
            
            
            
        
    
                9:34 a.m.
            
        Hi, I can do this: (let a=3 in a) + (let b=4 in b) but not this: (a where a=3) + (b where b=3) Why? Thanks, Maurício