Math Problem Statement
Find the truth value and truth sets of the following statement (a) forall x \in \mathbb{Z} ,x^ 2 cong0. (b) forall x \in \mathbb{Z} ,x^ 2 -9=0. " (c) ^ 4 exists x \in \mathbb{Z} / (x ^ 2) = 3 "
Solution
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Math Problem Analysis
Mathematical Concepts
Modular Arithmetic
Quadratic Equations
Existential and Universal Quantifiers
Formulas
x^2 = n
Congruence relation: a ≡ b (mod n)
Theorems
Quadratic Equation Solutions
Properties of Modular Arithmetic
Suitable Grade Level
Grades 10-12
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