Math Problem Statement
Let and be arbitrary index sets (either empty, finite, countable or uncountable) and let and be tuples of arbitrary sets. Is it true that: ? Please be brief.
Solution
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Math Problem Analysis
Mathematical Concepts
Set Theory
Cartesian Products
Indexed Families of Sets
Unions of Sets
Formulas
\bigcup_{(i,j) \in I \times J} (A_i \times B_j) = \left( \bigcup_{i \in I} A_i \right) \times \left( \bigcup_{j \in J} B_j \right)
Theorems
Distributivity of Cartesian Products over Unions
Suitable Grade Level
Undergraduate (Mathematics), Advanced Set Theory
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