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Syntax Definition whad 1378
Description: Define the half adder (triple XOR). (Contributed by Mario Carneiro, 4-Sep-2016.)
Ref Expression
wph wff φ
wps wff ψ
wch wff χ
Ref Expression
whad wff hadd(φ, ψ, χ)

See definition df-had 1380 for more information.

Colors of variables: wff setvar class
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