I am trying to work on the examples in Chapter 4 of HTDP where they are talking about Boolean expressions, and every time I try to create a function to do this(i.e. example 4.2.1) I keep getting errors. Even if I input the functions given to me in the book I get errors. Is there something that I need to do to make Boolean arguments work?!?!? I don't understand why even the book examples are giving me errors.
Jeremy D. Duenas 714.864.9686
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