Intro to Logic Chapter 1 Notes
Argument: group of statements in which the conclusion is claimed to be proved by the others.
Statement: a sentence that is either true or false.
o Uses declarative language.
Premise: the supporting sentences of/for the concl

Logic CH 2 Reading Notes
Definitions are impactful in arguments and important for analyzing statements
Term: A single word or groups of words that can be the subject in a statement; it can be a
common name, a proper name, or even a descriptive phrase.
o D

The First Four Implication Rules
Modus Ponens (MP)
PQ
Modus Tollens (MT)
PQ
P
~P
Q
~Q
Disjunctive Syllogism (DS)
PvQ
Hypothetical Syllogism
PQ
Q R
PR
~P
Q
The Second Four Implication Rules
Constructive Dilemma (CD)
(PQ).( RS)
PvR
QvS
Conjunction (conj)
P

Logic 2-10-16 Notes Ch 4 Fallacies
Informal fallacies: A mistake in reasoning that occurs in ordinary language and is different from
an error in the form or structure of the argument
Argument Against the Person: Claim is rejected or judged based on charac

Logic Things to Memorize for Logic
The Laws of Thought
o The Law of Identity
Whatever is, is
A; A=A
if a propositional function F is true of an individual variable x, then F is indeed true
of x, or symbolically F(x) F(x), in which means formally implie