Math Problem Statement
∃x ∈ R / (x + 1 = 0 et x + 2 = 0), est une assertion. quelle est sa négation ?
Solution
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Math Problem Analysis
Mathematical Concepts
Logic
Algebra
Real Numbers
Quantifiers
Formulas
x + 1 = 0
x + 2 = 0
∃x ∈ R (x + 1 = 0 et x + 2 = 0)
∀x ∈ R (x + 1 ≠ 0 ou x + 2 ≠ 0)
Theorems
Law of Negation for Existential Quantifiers
Basic Logical Equivalence
Contradiction in Systems of Equations
Suitable Grade Level
Grades 10-12
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