 … the forms If A produces B, and you value B, chose to do A, and If A produces B and C produces D, and you prefer B to D, choose A rather than C. In short, the rules he comes up with are based on fact and value, I submit that this is the way moral rules ought to be fashioned, namely as rules of conduct deriving from scientific statements and value judgments. In short ethics could be conceived as a branch of technology. (Bunge 1977, 103)