Syntax Definition coprab 5528

Description: Extend class notation to include class abstraction (class builder) of nested ordered pairs.

Hypotheses

Ref	Expression
wph	wff φ
vx	setvar x
vy	setvar y
vz	setvar z

Assertion

Ref	Expression
coprab	class {⟨⟨x, y⟩, z⟩ ∣ φ}

See definition df-oprab 5529 for more information.