Theorem 0le0

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

	Ref	Expression
Assertion	0le0	⊢ 0 ≤ 0

Proof

Step	Hyp	Ref	Expression
1		0re	⊢ 0 ∈ ℝ
2	1	leidi	⊢ 0 ≤ 0