Q1

MCQ1 mark, −0.33

Consider the statement "Not all that glitters is gold” Predicate glitters $(x)$ is true if $x$ glitters and predicate gold $(x)$ is true if $x$ is gold. Which one of the following logical formulae represents the above statement?

(A)

$\forall x: \text{glitters} (x)\Rightarrow \neg \text{gold}(x)$

(B)

$\forall x:\text{gold} (x)\Rightarrow \text{glitters}(x)$

(C)

$\exists x: \text{gold}(x)\wedge \neg \text{glitters}(x)$

(D)

$\exists x: \text{glitters}(x)\wedge \neg \text{gold}(x)$

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