2. Let A, B and C be sets, x an object, and p and g statements. For each expression given below, determine whether it makes sense (yes) or it does not make sense (no). If your answer is yes, state whether the expression is a statement or a set. If the answer is no. briefly explain why. a) xEA b) peZ c) Aeq V- (p g) (AUB)NC e) rEAAB i) (xE AY I)-(XEANB) h) AUBCC k) - (xE A)NB

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**Set Theory - Expressions and Validity**

Consider three sets \(A\), \(B\), and \(C\), an object \(x\), and statements \(p\) and \(q\). Evaluate the validity of each expression listed below, determining whether it makes sense (yes) or does not make sense (no). If an expression is valid, classify it as either a statement or a set. When invalid, briefly explain why.

a) \(x \in A\)

b) \(p \in \mathbb{Z}\)

c) \(A \in q\)

d) \(\sim A\)

e) \(x \in A \land B\)

f) \(x \in A \lor q\)

g) \((A \cup B) \cap C\)

h) \(A \cup B \subseteq C\)

i) \((x \in A)'\)

j) \(x \in A^t\)

k) \(\sim (x \in A) \cap B\)

l) \(\sim (x \in A \cap B)\)

*Note: The symbol \(\sim\) denotes 'not,' \(\land\) denotes logical 'and,' \(\lor\) denotes logical 'or,' \(\cup\) denotes union, and \(\cap\) denotes intersection.*
Transcribed Image Text:**Set Theory - Expressions and Validity** Consider three sets \(A\), \(B\), and \(C\), an object \(x\), and statements \(p\) and \(q\). Evaluate the validity of each expression listed below, determining whether it makes sense (yes) or does not make sense (no). If an expression is valid, classify it as either a statement or a set. When invalid, briefly explain why. a) \(x \in A\) b) \(p \in \mathbb{Z}\) c) \(A \in q\) d) \(\sim A\) e) \(x \in A \land B\) f) \(x \in A \lor q\) g) \((A \cup B) \cap C\) h) \(A \cup B \subseteq C\) i) \((x \in A)'\) j) \(x \in A^t\) k) \(\sim (x \in A) \cap B\) l) \(\sim (x \in A \cap B)\) *Note: The symbol \(\sim\) denotes 'not,' \(\land\) denotes logical 'and,' \(\lor\) denotes logical 'or,' \(\cup\) denotes union, and \(\cap\) denotes intersection.*
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