wdcin - Mathbox for BJ

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Syntax Definition wdcin 15439

Description: Syntax for decidability of a class in another.

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

**Assertion**
Ref	Expression
wdcin	wff 𝐴 DECID_in 𝐵

See definition df-dcin 15440 for more information.

Colors of variables: wff set class