PHIL 1290 Lecture Notes - Lecture 4: Deductive Reasoning, Eugenius Warming

• School: University of Manitoba
• Department: Philosophy
• Course: PHIL 1290
• Professor: Mark Rosner

Document Summary

All acts of killing innocent persons are always morally wrong. Abortion is an act of killing an innocent person. Could we improve the argument while still being faithful? (1) all acts of killing innocent persons when they are dependent on us for their continued existence, absent special circumstances, are always morally wrong. Arguments either one or the other, but not both. If all the premises are true, then conclusion must be true (mark of deductive argument) Inductive (non-conclusive) reason: premises give, at most, some support to conclusion. Premises can be true but conclusion can be false. a. b. c. Therefore, mark will live past his 90th birthday. A possi(cid:271)ility (cid:894)a strong one! (cid:895) that this is false . Some students in this class have studied plane geometry. Normative: concerns what we ought to believe or do. The individual at the door asked you a question. Purpose of argument is to guide action or thought.