Reading: Tate 5.1 (About Prolog) and 5.2 (The Castle on the Hill). Please either (1) submit a good question on Piazzza by 9 p.m. on {$thu04} or (2) respond to one of the questions by 10 p.m. on {$thu04}. When submitting the question, please tag it as #scala1. When submitting the question, please give it a good name.

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