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Laws of Logic
100

A statement supported by at least one of your five senses.

Experience or observation

100

The relationship that exists between the two universal statements (A and E). 

Contariety

100

When two statements cannot both be true or false at the same time

Contradiction

100

The term that is not found in the conclusion but appears in both premises

The middle term

100
If a statement is true, then it is true.

The Law of Identity

200

A statement supported by what someone told you.

Authority

200

The relationship that exists between two statements of opposite quality and quantity (A and O or E and I)

Contradiction

200

When the falsity of the particular necessitates the falsity of the universal (of that same quality).

Superimplication

200

The last term in the conclusion that is found in the major premise. 

The major term

200

A statement cannot be both true and false.

The Law of Non-Contradiction
300

A statement supported by reason.

Deduction

300

A relationship that exists between the two particular statements

Subcontrariety

300

When two statements can both be false, but not both be true at the same time.

Contrariety

300

The first premise in a syllogism.

The major premise

300

Any statement is either true or false.

The Law of Excluded Middle

400

A statement by a person concerning his or her own desires, beliefs, or feelings.

Self-reports

400

The relationship that exists between the universal to the particular of the same quality. (A to I or E to O)

Subimplication

400

When two statements can both be true but not false at the same time.

Subcontrariety

400

The first term in the conclusion that is found in the minor premise.

The minor term

400

When two statements can both be true at the same time

Consistency

500

Statements that are true or false by logical structure.

Tautology

500

The relationship that exists between the particular to the universal of the same quality. (I to A or O to E)

Superimplication

500

When the truth of the universal necessities the truth of the particular (of that same quality)

Subimplication

500

The second premise in a syllogism.

The minor premise

500

When two statements imply one another

Logical equivalence

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