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Axiom ax-bdeq 9255
Description: An atomic formula is bounded (equality predicate). (Contributed by BJ, 3-Oct-2019.)
Assertion
Ref Expression
ax-bdeq BOUNDED x = y

Detailed syntax breakdown of Axiom ax-bdeq
StepHypRef Expression
1 vx . . 3 setvar x
2 vy . . 3 setvar y
31, 2weq 1389 . 2 wff x = y
43wbd 9247 1 wff BOUNDED x = y
Colors of variables: wff set class
This axiom is referenced by:  bdth  9266  bdcdeq  9274  bdne  9288  bdreu  9290  bdcsn  9305  bj-zfpair2  9341
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