Philosophy 2B03 #13
Chapter Ten Typos
1. Page 540, line 6: Existential Generalization > Existential Introduction
2. Page 541, line 1: it is b that does so > b bears F to something
3. Page 542, line 15: (Ex) Lza > (Ez) Lza
4. Page 542, line 19: Existe
Philosophy 2B03 #10 Translations (with quantifiers but without overlapping scope)
1. All popes are honest.
2. No pope is corrupt.
3. Some popes are Argentinian.
4. Some popes are not Argentinian.
5. An honest pope is not corrupt.
6. An honest pope is wait
Philosophy 2B03 #9
Quantificational Translations (without Quantifiers)
b: Justin Beiber
c: Carly Rae Jepsen
j: Jimmy Page
m: Mick Jagger
H: Ill eat my hat.
Cx: x is Canadian
Lx: x is lonely
Mx: x is married
Nx: x is a narcissist
Sx: x is
Philosophy 2B03 #8
Hints Regarding 10 of the Most Difficult 5.3 Starred Exercises
1. Page 223, ex 1 (n).
Assume ~(~F v H) at line 2, and then assume F at line 3, to eventually contradict what you
assumed at line 2, so as to yield ~F. Which can then b
Philosophy 2B03 #7
Information on Chapter 5 and Test 2
1. You may construct derivations exactly as they appear in your text. However, for the purposes
of this course, its not necessary to annotate (or justify) any assumptions either primary
Philosophy 2B03 #6
Chapter Three Conceptual Questions
Note: Read may as may or may not.
1. If P is indeterminate, then cfw_P cfw_must, may, cannot be consistent.
2. If P is truth-functionally true, then cfw_P cfw_must, may, cannot be consistent.
Philosophy 2B03 #5
1. Either the skis or the snowmobiles are on sale.
2. If youre a whale, then youre a mammal.
3. Youre a mammal if youre a whale.
4. Youre a mammal only if youre a whale.
5. You can (legally) vote (in a Canadia
Philosophy 2B03 #4
Information on Test 1
1. You are not responsible (either now or at any point later in the course) for
- the discussion of subjunctive conditionals running from the middle of p.61 to the middle of p.
-the discussion of the use/me
Philosophy 2B03 #3
1. Obama knows that 1900 Americans have been killed by guns since the Newtown massacre. So
1900 Americans have been killed since the Newtown massacre.
2. Theresa Spence hopes that hunger strikes are ef
Philosophy 2B03 #2
Df. An argument is valid iff it is not possible for [all] the premises to be true and the conclusion
-validity is a property of arguments (not sentences)
-an argument is invalid iff it is not valid
Philosophy 2B03 #1
What is an Argument?
1. Arguments as quarrels. (I dont like to argue!)
2. An argument is an exercise in rational persuasion an attempt to convince someone to do or
believe something by an appeal to reasons.
3. An argument is a set