Theorem axfrege54c

Description: Reflexive equality of classes. Identical to eqid . Justification for ax-frege54c . (Contributed by RP, 24-Dec-2019)

	Ref	Expression
Assertion	axfrege54c	$$⊢A=A$$

Proof

Step	Hyp	Ref	Expression
1		eqid	$$⊢A=A$$