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Syntax Definition coprab 5456
Description: Extend class notation to include class abstraction (class builder) of nested ordered pairs.
Ref Expression
wph wff φ
vx setvar x
vy setvar y
vz setvar z
Ref Expression
coprab class {⟨⟨x, y⟩, z⟩ ∣ φ}

See definition df-oprab 5459 for more information.

Colors of variables: wff set class
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