ax-bdel - Mathbox for BJ

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Axiom ax-bdel 13856

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 2142	. 2 wff 𝑥 ∈ 𝑦
4	3	wbd 13847	1 wff BOUNDED 𝑥 ∈ 𝑦

Colors of variables: wff set class

This axiom is referenced by: bdcv 13883 bdop 13910 bdcuni 13911 bdcint 13912 bdcriota 13918 bj-nalset 13930 bj-inex 13942 bj-axun2 13950 bj-nnelirr 13988