Ratiocinandi sentence example

ratiocinandi
  • In 1692 appeared his Logica sive Ars Ratiocinandi, and also Ontologia et Pneumatologia; these, with the Physica (1695), are incorporated with the Opera Philosophica, which have passed through several editions.
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  • In his commentary on the De Interpretatione, St Thomas, after citing from the De Anima Aristotle's " duplex operatio intellectus," said, " Additur autem et tertia operatio, scilicet ratiocinandi," and concluded that, since logic is a rational science (rationalis scientia), its consideration must be directed to all these operations of reason.
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