Mathematics, 11.03.2020 01:03, 24swimdylanoh

Let P(x) , Q(x), R(x), and S(x) be the statements "x is a duck," "x is one of my poultry," "x is an ofﬁcer," and "x is willing to waltz," respectively. Express each of these statements using quantiﬁers; logical connectives; and P(x) , Q(x), R(x), and S(x). a) No ducks are willing to waltz. b) No ofﬁcers ever decline to waltz. c) All my poultry are ducks. d) My poultry are not ofﬁcers. ∗e) Does (d) follow from (a), (b), and (c)? If not, is there a correct conclusion?

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Let P(x) , Q(x), R(x), and S(x) be the statements "x is a duck," "x is one of my poultry," "x is an...