PHI103 Informal Logic - Week 5 Quiz.

PHI103 Informal Logic - Week 5 Quiz.

PHI103 Informal
Logic Week 5 Quiz
Score for this quiz: 20 out of 20

Question 1
pts
Arguments .


always have the same level of complexity



are always expressed in standard form




can include complicated chains of inference that build on themselves



have to be valid in order to be convincing



Question 2
pts
Which of the following is the purpose of the problem section of an
argumentative essay?


to present only troubling issues



to present the reasons you have for believing your premises are true



to avoid the thesis

, to present the issue that is of interest and the positions on
that issue


Question 3
pts
Deciduous trees are trees that shed their leaves. Maple trees are deciduous
trees.
Thus, maple trees will shed their leaves at some point during the growing

season. True or False: The statement, “Maple trees are deciduous trees,” is

a premise.



True



False



Question 4
pts
Tom: Early humans had a simple form of music played on instruments
made from animal bones and skins.

Boris: How do you know that?

Tom: Well, no one has proved that they didn’t.


Appeal to popular opinion



Appeal to authority




Appeal to ignorance



False Dilemma