PHILOS 2CT3 Lecture Notes - Lecture 10: Middle Term, Constructive Dilemma, Destructive Dilemma

• School: McMaster University
• Department: Philosophy
• Course: PHILOS 2CT3
• Professor: James Sikkemma

Document Summary

Quality indicates affirmation or negation of a claim. The quantity indicates the scope of the categorical claim (4 types stated below: an a; = a universal affirmative claim. Meaning: any possible token of the type s applies to every possible token of type p: an e a universal negative claim. Meaning: no possible token of type s applies to any possible token of type p. Ex: no bicycles are ventriloquists: an i = particular affirmative claim. Meaning: a token of type s may apply to a token of type p. Ex: some specters are spooky: an o = a particular negative claim. Meaning: a token of type s may not apply to a token of type p. Antecedent, therefore consequent: p1: if the paint is dry then we can begin to hang the pictures on the walls, p2: the paint is dry, c: therefore, we can begin hanging the pictures.