Futuros contingentes: história de uma outra batalha

The problem of future contingents is examined here through the vantage point of another controversy, the one over which answer Aristotle should be credited with. Two answers are attributed to Aristotle. According to the first one, which is nowadays often referred to as the traditional answer, Aristotle argued that, to prevent determinism as the valid conclusion of the argument presented at the beginning of De interpretation 9, one has to deny the universal validity of the principle of bivalence; according to the other, Aristotle accepted the validity of the principle of bivalence, but averted the conclusion of determinism by introducing the notion of indefinite verum. Both answers are examined with a view to shedding some light on this chapter that has kindled so much discussion.