ax-bdel - Mathbox for BJ

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Axiom ax-bdel 11985

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 1440	. 2 wff 𝑥 ∈ 𝑦
4	3	wbd 11976	1 wff BOUNDED 𝑥 ∈ 𝑦

Colors of variables: wff set class

This axiom is referenced by: bdcv 12012 bdop 12039 bdcuni 12040 bdcint 12041 bdcriota 12047 bj-nalset 12059 bj-inex 12071 bj-axun2 12079 bj-nnelirr 12121