“the full analysis of the notions of saying something and understanding what one said inevitably involves a concept which, as I will show in detail, essentially corresponds to the Cartesian idea of thought.” ThinkingSaidIdeasShowsUnderstandingSpeechConceptsNotionDetailsAnalysisThoughtfulIntentionality Book:Res Cogitans: An Essay in Rational Psychology Source: Res Cogitans: An Essay in Rational Psychology