Rule of Assumption/Boolean Interpretation

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Definition

The truth value of a propositional formula $\mathbf A$ under a boolean interpretation $v$ is given by:

$v \left({\mathbf A}\right) = \begin{cases} T & : v \left({\mathbf A}\right) = T \\ F & : v \left({\mathbf A}\right) = F \end{cases}$


Sources