How to modify type parameter of Expression>?

Question

I have an instance of the following:

Expression>

I wish to convert it to an instance of the following

Answer 1

I only had a few minutes so I haven't thought on this deeply. Does this help?

Expression> exp1 = (list => list.Count > 0);
Expression> exp2 = (list => exp1.Compile()(list));
Expression, bool>> exp3 = (list => exp1.Compile()(list));

I kinda demonstrates what you want I think.