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Let A = \{x \in \mathbb{N}|1 < x < 4\}, B = \{x \in \mathbb{W}|0 \leq x < 2\} and C = \{x \in \mathbb{N}|x < 3\}. Then verify that A \times (B \cap C) = (A \times B) \cap (A \times C)
 
Answer:
 
To prove:
 
A \times (B \cap C) = (A \times B) \cap (A \times C)
 
Explanation:
 
B \cap C = \{\}
 
A \times (B \cap C) = \{\}
 
A \times B = \{\}
 
A \times C = \{\}
 
(A \times B) \cap (A \times C) =\{\}
 
As a result, A \times (B \cap C) = (A \times B) \cap (A \times C)
 
Hence, we proved.