cdju - Intuitionistic Logic Explorer

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Syntax Definition cdju 6998

Description: Extend class notation to include disjoint union of two classes.

**Hypotheses**
Ref	Expression
cA	class 𝐴
cB	class 𝐵

**Assertion**
Ref	Expression
cdju	class (𝐴 ⊔ 𝐵)

See definition df-dju 6999 for more information.

Colors of variables: wff set class