wo - Metamath Proof Explorer

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Syntax Definition wo 843

Description: Extend wff definition to include disjunction ("or").

**Hypotheses**
Ref	Expression
wph	wff 𝜑
wps	wff 𝜓

**Assertion**
Ref	Expression
wo	wff (𝜑 ∨ 𝜓)

See definition df-or 844 for more information.

Colors of variables: wff setvar class