PHI 1101 Chapter Notes - Chapter 2: Co-Premise, Deductive Reasoning, Mattress

• School: University of Ottawa
• Department: Philosophy
• Course: PHI 1101
• Professor: Sascha Maicher

Document Summary

God exists because something had to cause the universe is an argument. An argument always has two parts: a premise and a conclusion. The premise part is intended to give a reason for accepting the conclusion part: conclusions used as premises. One statement can be the conclusion of one argument and the premise for another: unstated premises and conclusions. Premise: you can"t check out books without a library card. Unstated premise: bill doesn"t have his library card. The political parts that best reflects mainstream opinion will win the presidency and the republican best reflects mainstream opinions. Unstated conclusion: person is implying that the. Unstated premises are common in real life because they seem too obvious to mention. Unstated conclusions are less common but not uncommon. Premise of a good deductive argument if true proves/demonstrates its conclusion. Fundamental concept of deductive logic is validity.