Theorem 1le2

Description: 1 is less than or equal to 2. (Contributed by David A. Wheeler, 8-Dec-2018)

	Ref	Expression
Assertion	1le2	$$⊢1\le 2$$

Proof

Step	Hyp	Ref	Expression
1		1re	$$⊢1\in ℝ$$
2		2re	$$⊢2\in ℝ$$
3		1lt2	$$⊢1<2$$
4	1 2 3	ltleii	$$⊢1\le 2$$