Logical Fallacies
PEMDAS
Algebra/Geometry Terms
100

Ad hominem

"to the man" ; a personal attack or attempt to degrade a person's character, having no relevance to the argument at hand

100

Simplify:

16 + 16(2) / 2

32

100

Line segment

A part of a line consisting of two endpoints and all points between them

200

Appeal to Authority

An attempt to ground the validity of an argument in the merit of an irrelevant authoritive figure or establishment

200

Simplify:

6 - (-6) + (-6)(6)(-2)

84

200

Absolute value

The distance (necessarily positive) of a number from zero on a number line.

300

Red herring

An attempt to divert attention away from an important argument, question, or subject

300

Simplify:

(2/3)^4

16/81

300

Angle

A figure formed by two rays with a common endpoint.

400

Straw Man

Mischaracterizing an argument so as to attack it instead of the actual argument being made

400

Simplify:

(2/4)(2/4)(16/4) + (5-6)

0

400

Irrational numbers

Numbers that cannot be written as the quotient of two integers. In decimal form, irrational numbers neither terminate nor repeat.

500

Non sequitur

"It does not follow" ; a conclusion that is irrationally disconnected from it's premise.

Ex: "We didn't win any games last year, so that means we'll definitely win this year."

500

(9/54 + 63/42)^2 - 17

-128/9

500

Postulate

A statement that is accepted as true without proof.