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Mirrors > Home > MPE Home > Th. List > wa | Structured version Visualization version GIF version |
Description: Extend wff definition to include conjunction ('and'). |
Ref | Expression |
---|---|
wph | wff 𝜑 |
wps | wff 𝜓 |
Ref | Expression |
---|---|
wa | wff (𝜑 ∧ 𝜓) |
Colors of variables: wff setvar class |
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