Theorem 0le0

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

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

Proof

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