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University of Macau
Philosophy and Religious Studies Program
PHIY 102: INTRODUCTION TO LOGIC
2nd Semester, 2015/16
Room: E21-1017(L)
Mondays, 16:00 18:45
Instructor: Dr. Mario Wenning
Email: mwenning@umac.mo
Telephone: 8822-8804
Office: E21-04-409
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Chapter 10:
Propositional LogicArguments
Truth tables can be used with single statements and
with arguments:
1. The complete truth table shows all the
truth values of an argument, and shows whether the
argument is valid or invalid.
2. The shortcut truth

Chapter 11:
Predicate Logic
Predicate logic allows us to look more deeply
into the analysis of statements than does
propositional logic.
Predicate logic analyzes the subject/predicate
relationship to represent the inner structure
of propositions.
Singu

Chapter 6:
Categorical Propositions
Examples: All geese are birds.
No pelicans are geese.
Some boats are arks.
Some days are diamonds.
All of the above examples are categorical
propositions.
(The preceding statement is also a categorical
proposition.)
C

Chapter 7: Categorical Syllogisms
A categorical syllogism is a type of argumentso it is ne
cessary to clearly distinguish the premises from the con
clusion.
Indicator words are helpful in correctly identifying the c
onclusion of a categorical syllogism.
S

Chapter 1:
Classification
A category is a group of things indicated by a noun.
Classification of things into categories is a key way of
conceptually organizing the world.
Words, particularly nouns, may refer to categories or
groups, which is to say th

Chapter 3:
Propositions
Propositions: A proposition can be evaluated
as true or false.
Propositions are the units of thought, and are
typically expressed in sentences.
Propositions (contd)
Sentences involve the subject/predicate
relationship.
For ex

Chapter 4:
Argument Analysis
Sometimes we reason and argue about issues
based on our direct observations or
experiences.
In other cases, we reason and argue about
issues that go beyond our direct observations
and experiences.
Reasoning with Propositions

Chapter 5:
Fallacies
Fallacies are mistakes in reasoning.
There are formal and informal fallacies.
This PowerPoint presentation focuses on the
informal fallacies.
PPT
Fallacies (contd)
As you examine fallacies, keep these points in mind:
To decide

Chapter 2:
Definitions
Definitions aid us in clarifying our concepts and
making them more precise.
Definitions help us know what is and what is
not included in a concept.
,
Definitions (contd)
We may expand our knowledge by adding new concepts, base