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Axiom ax-bdeq 13187
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 1480 . 2 wff 𝑥 = 𝑦
43wbd 13179 1 wff BOUNDED 𝑥 = 𝑦
Colors of variables: wff set class
This axiom is referenced by:  bdth  13198  bdcdeq  13206  bdne  13220  bdreu  13222  bdcsn  13237  bj-zfpair2  13277
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