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Axiom ax-bdel 12821
Description: An atomic formula is bounded (membership predicate). (Contributed by BJ, 3-Oct-2019.)
Assertion
Ref Expression
ax-bdel BOUNDED 𝑥𝑦

Detailed syntax breakdown of Axiom ax-bdel
StepHypRef Expression
1 vx . . 3 setvar 𝑥
2 vy . . 3 setvar 𝑦
31, 2wel 1464 . 2 wff 𝑥𝑦
43wbd 12812 1 wff BOUNDED 𝑥𝑦
Colors of variables: wff set class
This axiom is referenced by:  bdcv  12848  bdop  12875  bdcuni  12876  bdcint  12877  bdcriota  12883  bj-nalset  12895  bj-inex  12907  bj-axun2  12915  bj-nnelirr  12953
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