Conditional Logic

Question 1

Logic that is valid or invalid based on form

Answer 1

Formal logic

Question 2

Logic that is strong or weak based on the content of its support

Answer 2

Informal logic

Question 3

______ logic deals with absolutes

Answer 3

Formal

Question 4

Conditional logic is a part of _______ logic

Answer 4

Formal logic

Question 5

Set

Answer 5

Abstract collection of members

Question 6

Superset

Answer 6

Larger set with sets in it

Question 7

Subset

Answer 7

Smaller set within a superset

Question 8

Oldest mistake in the book

Answer 8

Confusing sufficiency (subset) for necessity (superset)

Question 9

Membership in a subset is ______ for membership in its superset

Answer 9

Sufficient

Question 10

Membership in a superset is _________ for membership in a subset

Answer 10

Necessary

Question 11

Sufficiency and necessity are _____ concepts

Answer 11

Relational

Question 12

Form of a conditional argument

Answer 12

A —> B
A
=B

Question 13

Truth is a property of ______

Answer 13

Claims

Question 14

Validity is a property of ______

Answer 14

Arguments

Question 15

Negation is a _______

Answer 15

Contradiction

Question 16

The negation of X is

Answer 16

Not X

Question 17

The opposite of X is

Answer 17

Y (for example)

Question 18

What is a contrapositive?

Answer 18

A logically equivalent statement that reverses the +/- signs of a proposition

Question 19

Contrapositive of A —> B

Answer 19

/B —> /A

Question 20

Sufficiency and necessity indicators only apply if the proposition expresses (3)

Answer 20

-Conditional relationship
-Relationship between subsets and supersets
-Relationship about members within a set

Question 21

In X —> Y, which is the sufficient condition and which is the necessary condition

Answer 21

X = sufficient
Y = necessary

Question 22

Sufficiency Indicators (group 1) (7)

Answer 22

-If
-When
-Where
-All
-Every
-Any
-THE only

Question 23

Necessary Indicators (group 2) (6)

Answer 23

-Only
-Only if
-Only when
-Only where
-Always
-Must

Question 24

Negate, Sufficient Indicators (group 3) (4)

Answer 24

-Or
-Unless
-Until
-Without

Question 25

Negate, necessary indicators (group 4) (4)

Answer 25

-No -None -Not both -Cannot

Question 26

The word "or" in the LSAT most often means

Answer 26

Inclusive, and/or, could be "both"

Question 27

When does "or" not mean and/or

Answer 27

or ____, but not both Either ____ or _____

Question 28

How to translate A unless B

Answer 28

/B ---> A or /A ---> B

Question 29

Translate if A, then B

Answer 29

A ---> B

Question 30

Translate when A, then B

Answer 30

A ---> B

Question 31

Translate where A, then B

Answer 31

A ---> B

Question 32

Translate all A are B

Answer 32

A ---> B

Question 33

Translate every A is B

Answer 33

A ---> B

Question 34

Translate the only A is B

Answer 34

A ---> B

Question 35

Translate only A, B

Answer 35

B ---> A

Question 36

Translate B only if A

Answer 36

B ---> A

Question 37

Translate B only when A

Answer 37

B ---> A

Question 38

Translate B only where A

Answer 38

B ---> A

Question 39

Translate B always A

Answer 39

B ---> A

Question 40

Translate B must A

Answer 40

B ---> A

Question 41

Translate A or B (or both)

Answer 41

/A ---> B /B ---> A

Question 42

Translate A unless B

Answer 42

/A ---> B /B ---> A

Question 43

Translate A until B

Answer 43

/A ---> B /B ---> A

Question 44

Translate A without B

Answer 44

/A ---> B /B ---> A

Question 45

Translate if no A, B

Answer 45

A ---> /B B ---> /A

Question 46

Translate if none of A, B

Answer 46

A ---> /B B ---> /A

Question 47

Translate A or B, but not both

Answer 47

A ---> /B B ---> /A

Question 48

A cannot B

Answer 48

A ---> /B B ---> /A