Theorem abid2

Description: A simplification of class abstraction. Commuted form of abid1 . See comments there. (Contributed by NM, 26-Dec-1993)

	Ref	Expression
Assertion	abid2	$$⊢\left\{x|x\in A\right\}=A$$

Proof

Step	Hyp	Ref	Expression
1		abid1	$$⊢A=\left\{x|x\in A\right\}$$
2	1	eqcomi	$$⊢\left\{x|x\in A\right\}=A$$