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Axiom ax-bdel 9814
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 1394 . 2 wff 𝑥𝑦
43wbd 9805 1 wff BOUNDED 𝑥𝑦
Colors of variables: wff set class
This axiom is referenced by:  bdcv  9841  bdop  9868  bdcuni  9869  bdcint  9870  bdcriota  9876  bj-nalset  9888  bj-inex  9900  bj-axun2  9908  bj-nnelirr  9951
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