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Number sets at a glance

Nested diagram showing natural numbers inside integers, integers inside rational numbers, and irrational numbers as a separate part of the real numbers A set is a collection of values. In number systems, the main named sets are natural numbers $N\mathbb{N}$ , integers $Z\mathbb{Z}$ , rational numbers $Q\mathbb{Q}$ , and real numbers $R\mathbb{R}$ .

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Number sets at a glance

Nested diagram showing natural numbers inside integers, integers inside rational numbers, and irrational numbers as a separate part of the real numbers A set is a collection of values. In number systems, the main named sets are natural numbers $N\mathbb{N}$ , integers $Z\mathbb{Z}$ , rational numbers $Q\mathbb{Q}$ , and real numbers $R\mathbb{R}$ .

Number systems Lesson

Number systems Lesson