(clause, model={})
return result
Lightweight version of pl_true.
    Argument clause represents the set of args of an Or clause. This is used
    inside dpll_int_repr, it is not meant to be used directly.

    >>> from sympy.logic.algorithms.dpll import pl_true_int_repr
    >>> pl_true_int_repr(set([1, 2]), {1: False})
    >>> pl_true_int_repr(set([1, 2]), {1: False, 2: False})
    False
Lightweight version of pl_true.
    Argument clause represents the set of args of an Or clause. This is used
    inside dpll_int_repr, it is not meant to be used directly.
Lightweight version of pl_true . Argument clause represents the set of args of an Or clause . This is used inside dpll_int_repr it is not meant to be used directly .
def pl_true_int_repr(clause, model={}):
    """
    Lightweight version of pl_true.
    Argument clause represents the set of args of an Or clause. This is used
    inside dpll_int_repr, it is not meant to be used directly.

    >>> from sympy.logic.algorithms.dpll import pl_true_int_repr
    >>> pl_true_int_repr(set([1, 2]), {1: False})
    >>> pl_true_int_repr(set([1, 2]), {1: False, 2: False})
    False

    """
    result = False
    for lit in clause:
        if lit < 0:
            p = model.get(-lit)
            if p is not None:
                p = not p
        else:
            p = model.get(lit)
        if p is True:
            return True
        elif p is None:
            result = None
    return result
def pl_true_int_repr ( clause , model = { } ) : result = False for lit in clause : if lit < 0 : p = model . get ( - lit ) if p is not None : p = not p else : p = model . get ( lit ) if p is True : return True elif p is None : result = None return result