What does it all mean?
(definitions)
Tell it like it is.
(statements)
To be or not to be.
(syllogisms)
More definitions
Potpourri
Kinship
(relationships)
Agree to disagree
100

Define Logic

The art and science of reasoning well.

100

What is a statement?

A sentence that is either true or false.

100

What verb must be used in syllogisms?

To be

100

Let's buy a small gift for her.

By "small" I mean $10.00.

Precising definition

100

Arrange these with increasing intension.

book, written materials, Bible

written materials > book > Bible

100

When 2 statements can both be true at the same time.

Consistent

100

Why kind of disagreement is here?

Jesus is the Son of God.
Jesus is not the Son of God.

Real disagreement.

(They can't both be true.)

200

What is the law of the excluded middle?

Any statement is either true or false.

200

"A boy can be a girl" is false.  Why?

False by definition.

200

What part of speech must be found in both the subject and predicate in a syllogism?

nouns

200

Grace: unmerited favor.

Grace: elegance.

Lexical definition 

200

Define syllogism

A deductive argument with 2 premises and 3 terms.

200
The truth of one necessitates the truth of the second.

Implication

200

What kind of disagreement is here?
Logic is super easy!

I think logic is almost impossible!

Apparent disagreement.

(different opinion or perception)

300

Name the 2 major branches of logic.

Formal and informal.

300

What kind of statement is this:

"This statement is false."

Nonsense

300
Where do you find the major term?

In the predicate of the conclusion.

300

Johnny, look!  That's a cow in the field over there.

Defining by example

300

Name 3 conclusion indicator words.

therefore, thus, so, consequently, it follows that, we must conclude, 
300

Can both of these statements be false?

Some dogs are brown animals.

Some dogs are not brown animals?

No. 

300

When is a syllogism valid?

When the premises imply the conclusion.

400

What is a term?

A concept expressed in 1 or more words.
400

Give me an example of a tautology. (Make up one.)

This statement is either a tautology or not a tautology.
(ans. may vary)

400

How many terms can there be in a syllogism?

3

400

Backpack:  A pack worn on the back.

Defining by genus and difference.

400

List 2 words that often signal a problem in a definition.

where

when

400

Give me 2 independent sentences (make them up).

The sun is hot.

I have a car.

(ans. may vary)

400

What kind of disagreement is this?

Lucy is mad!
No. She's happy as can be.

Verbal disagreement

(ambiguous terms)

500

Definitions can serve at least 6 purposes.  Name any 4 of them.

1. Show relationship.

2. Remove ambiguity.

3. Reduce vagueness.

4. Increase vocabulary.

5. Explain concepts theoretically.

6. Influence attitudes.

500

Self-supporting statements need no external evidence to determine their truth.

Name the 3 kinds.

self-report

tautology

true or false by definition

500
Make this statement into categorical form.


Most kids make mud pies.

Some kids are mud-pie makers.

500

There are 6 rules for defining by genus and species.  Name any 4.

1. state essential attributes.

2. not be circular

3. not be too broad or narrow

4. not be unclear or figurative

5. be stated positively if possible

6. be the same part of speech

500

What premise contains the minor term?

Premise 2

(That was too easy for 500 points!)

500

Name the 4 types of relationships between statements.

consistency

implication

logical equivalence

independence

500

Name the 3 kinds of disagreements.

real

apparent

verbal

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