Math Problem Statement
- Верно ли каждое из следующих равенств
(R1∪R2)−1=R1−1∪R2−1(R1∪R2)−1=R1−1∪R2−1;
(R1∩R2)−1=R1−1∩R2−1(R1∩R2)−1=R1−1∩R2−1
для бинарных отношений R1R1 и R2R2, определённых на произвольном множестве MM? Ответ «да», надо обосновать, ответ «нет» аргументировать приведением примера.
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Binary Relations
Inverse Relations
Formulas
(R1 ∪ R2)⁻¹ = R1⁻¹ ∪ R2⁻¹
(R1 ∩ R2)⁻¹ = R1⁻¹ ∩ R2⁻¹
Theorems
Inverse of a Union of Relations
Inverse of an Intersection of Relations
Suitable Grade Level
University Level (Discrete Mathematics)