cpre - Mathbox for Peter Mazsa

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Syntax Definition cpre 38229

Description: Extend the definition of a class to include the predecessor of a class.

**Hypothesis**
Ref	Expression
cN	class 𝑁

**Assertion**
Ref	Expression
cpre	class pre 𝑁

See definition df-pre 38498 for more information.

Colors of variables: wff setvar class