Theorem 1le1

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

	Ref	Expression
Assertion	1le1	⊢ 1 ≤ 1

Proof

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