Enumerable.min Method
        
 Returns the minimum value in a sequence of (possibly null) values.
 
         
         
        
            
 This method is static. 
        Parameters
        
            - source
            
 
            - 
                
Type: IEnumerable
A sequence of (possibly null) values to determine the minimum of. 
            - selector
            
 
            - 
                
Type: Function
A transform function to apply to each element.
Optional: True 
        
        Return Value
        
Type: Number - May be null
The minimum value in the sequence.