4. Suppose that the variable a represents people, and F(x): "z is friendly" T(x): "r is tall" A(x): "x is angry". Expres
Posted: Thu Jun 30, 2022 7:39 pm
4. Suppose that the variable a represents people, and F(x): "z is friendly" T(x): "r is tall" A(x): "x is angry". Express each of the following statements using these predicates, quantifiers, and logical connectives. (a) Some people are not angry. (b) All tall people are friendly. (c) No friendly people are angry. (d) Some tall angry people are friendly.