Theorem leidi

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

	Ref	Expression
Hypothesis	lt2.1	⊢ 𝐴 ∈ ℝ
Assertion	leidi	⊢ 𝐴 ≤ 𝐴

Proof

Step	Hyp	Ref	Expression
1		lt2.1	⊢ 𝐴 ∈ ℝ
2		leid	⊢ ( 𝐴 ∈ ℝ → 𝐴 ≤ 𝐴 )
3	1 2	ax-mp	⊢ 𝐴 ≤ 𝐴