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Syntax Definition w3nand 31564
Description: The double nand.
Ref Expression
wph wff 𝜑
wps wff 𝜓
wch wff 𝜒
Ref Expression
w3nand wff (𝜑𝜓𝜒)

See definition df-3nand 31565 for more information.

Colors of variables: wff setvar class
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