This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.

Metamath Proof Explorer

Theorem 1le2

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

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

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