$1$

Example · Elementary

Terms

Term	This example	Why
natural numbers (from 1)	✓	$1$ is a natural number under both conventions: it is the first natural number when the natural numbers start at $1$, and the second when they start at $0$.
natural numbers (from 0)	✓
whole numbers	✓

Distinctions using this example

• Natural numbers: starting at 0 or at 1

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