Theorem ralel

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

	Ref	Expression
Assertion	ralel	$$⊢\forall x\in Ax\in A$$

Proof

Step	Hyp	Ref	Expression
1		id	$$⊢x\in A\to x\in A$$
2	1	rgen	$$⊢\forall x\in Ax\in A$$