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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def bool(self, state):
 """ Returns the Boolean evaluation of the clause with respect to a given state Parameters state : dict Key-value mapping describing a Boolean state or assignment Returns ------- boolean The evaluation of the clause with respect to the given state or assignment """

        value = 1
        for source, sign in self:
            value = value and (state[source] if sign == 1 else not state[source])
            if not value:
                break

        return value