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Metamath Proof Explorer

Theorem 0le0

Description: Zero is nonnegative. (Contributed by David A. Wheeler, 7-Jul-2016)

		Ref	Expression
	Assertion	0le0	$⊢ 0 \leq 0$

Step	Hyp	Ref	Expression
1		0re	$⊢ 0 \in ℝ$
2	1	leidi	$⊢ 0 \leq 0$