cprvb - Mathbox for BJ

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Syntax Definition cprvb 34779

Description: Syntax for the provability predicate.

**Hypothesis**
Ref	Expression
wph	wff 𝜑

**Assertion**
Ref	Expression
cprvb	wff Prv 𝜑

This syntax is primitive. The first axiom using it is ax-prv1 34780.

Colors of variables: wff setvar class