Theorem leidi

Description: 'Less than or equal to' is reflexive. (Contributed by NM, 18-Aug-1999)

	Ref	Expression
Hypothesis	lt2.1	$$⊢A\in ℝ$$
Assertion	leidi	$$⊢A\le A$$

Proof

Step	Hyp	Ref	Expression
1		lt2.1	$$⊢A\in ℝ$$
2		leid	$$⊢A\in ℝ\to A\le A$$
3	1 2	ax-mp	$$⊢A\le A$$