Axiom ax-bdel 9256

Description: An atomic formula is bounded (membership predicate). (Contributed by BJ, 3-Oct-2019.)

Assertion

Ref	Expression
ax-bdel	⊢ BOUNDED x ∈ y

Detailed syntax breakdown of Axiom ax-bdel

Step	Hyp	Ref	Expression
1		vx	. . 3 setvar x
2		vy	. . 3 setvar y
3	1, 2	wel 1391	. 2 wff x ∈ y
4	3	wbd 9247	1 wff BOUNDED x ∈ y

This axiom is referenced by:  bdcv  9283  bdop  9310  bdcuni  9311  bdcint  9312  bdcriota  9318  bj-nalset  9326  bj-inex  9338  bj-axun2  9346  bj-nnelirr  9387