Theorem ralel

Description: All elements of a class are elements of the class. (Contributed by AV, 30-Oct-2020)

	Ref	Expression
Assertion	ralel	⊢ ∀ 𝑥 ∈ 𝐴 𝑥 ∈ 𝐴

Proof

Step	Hyp	Ref	Expression
1		id	⊢ ( 𝑥 ∈ 𝐴 → 𝑥 ∈ 𝐴 )
2	1	rgen	⊢ ∀ 𝑥 ∈ 𝐴 𝑥 ∈ 𝐴