Declaritive Programming

local X1 in
     local X2 in
          X1 = 1
          Ans=X1+X2
     end
end


How do you tell the difference between bound and free occurrences?  Also how do you tell between bound stored variables and undetermined variables?

>>3
I know more than you bitch. I got a Ph.D from the University of Wisconsin - Milwaukee. And even though I can't get a job in my field, I still probably know more than you.