Math Problem Statement
En justifiant dire si l’assertion suivante est vraie ou fausse et donner sa n´egation : ∀(x, y) ∈ R −∗ × R −∗ , (x < y) ⇒ 1 x 2 < 1 y 2 .
Solution
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Math Problem Analysis
Mathematical Concepts
Logic
Real Analysis
Inequalities
Implication
Negation
Formulas
(x < y) ⇒ (1/x² < 1/y²)
Negation: ∃(x, y) ∈ R−∗ × R−∗, (x < y) ∧ (1/x² ≥ 1/y²)
Theorems
Properties of negative numbers and their squares
Inverse relationships between positive numbers
Logical implication and negation rules
Suitable Grade Level
University Level (Undergraduate Mathematics)
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