Question

Check whether A={x:x is a natural number smaller than 1} is an empty set or not? Justify your answer?

Answer 1

Answer:

A{a | a is a natural number smaller than zero}

so A is an empty set

Answer 2

Answer:

Natural numbers start from one! A natural number less than one isn't possible. Hence, the empty set.

Mathematically:

A = { x: x € N, x < 1}

A = ø

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Hope this helps!