1) At the picnic Mike went for soft drinks for Wendy, Brian, Janet, and Sean, as well as for
himself. He brought back iced tea, grape juice, Diet Coke, Pepsi, and 7-Up. What drink did he
bring for each person?
A. Mike couldnt tolerat
You have answered 11/16 questions correctly.
Your percentage correct is 69%.
The memories of eyewitnesses are almost always trustworthy.
Your answer: b) False
The opinion of experts generally carries more weight than our own - but
Dianas study Guide 2
masses, Arguing that
a claim must be true
merely because a
of people believe it.
appeal to tradition:
Arguing that a claim
must be true because
its part of tradition.
A. Checking for Validity:
Crucial Sentence #1
Use the Connectives Forms
Some Common Argument Forms
Creating Truth Tables for Two Variables
Setting Things Up
Getting to the Truth
Crucial Sentence: Its imposs
Chapter 7B exercises
1. No apples are vegetables. Some plants are vegetables. So some plants are not apples.
No P are M.
Some S are M.
Therefore, some S are not P.
3. All cars are self propelled vehicl
A. Enumerative Induction: An inductive argument pattern in which we
reason from premises about individual members of a group to
conclusions about the group as a whole.
B. Strong or Weak?
An enumerative inductive argument
Inference to the Best Explanation
Explanations & Inference
1. Inference to the best explanation: a form of inductive reasoning in
which we reason from premises about a certain state of affairs to an
explanation about that state of affair
Chapter 7A & B (pages 231-246)
a) Categorical Logic: studying the relationship between the subject and
the predicate of the statement
b) Categorical statements: make simple assertions about categories, or
classes, of things
B. Statements &
HUM 115: Critical Thinking: Study
Exam 3: Chapters 6-7
Statement: or claim is
an assertion that
something is or is not
the case. It can be
two or more statements
either true or false.