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Metamath Proof Explorer

Theorem 1le1

Description: One is less than or equal to one. (Contributed by David A. Wheeler, 16-Jul-2016)

		Ref	Expression
	Assertion	1le1	$⊢ 1 \leq 1$

Step	Hyp	Ref	Expression
1		1re	$⊢ 1 \in ℝ$
2	1	leidi	$⊢ 1 \leq 1$