Abstract

Introduction -- The attack on aristotelian-scholastic metaphysics -- The analysis of things : substance, quality, and the tree of porphyry -- Thing and word : a critique of transcendental terms -- From a grammatical point of view : the reduction of the categories -- Soul, nature, morality, and God -- Soul and nature : a critique of aristotelian psychology and natural philosophy -- The virtues and the road to heavenly pleasure -- Speaking about the ineffable : the Trinity -- Towards a humanist dialectic -- Dialectic I : propositions, the square of contraries, proof, and argument -- Dialectic II : forms of argumentation -- Conclusion: Valla and "ordinary language philosophy".