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Syntax Definition wrmo 2899
Description: Extend wff notation to include restricted "at most one."
Ref Expression
wph wff 𝜑
vx setvar 𝑥
cA class 𝐴
Ref Expression
wrmo wff ∃*𝑥𝐴 𝜑

See definition df-rmo 2904 for more information.

Colors of variables: wff setvar class
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