A statement supported by at least one of your five senses.
Experience or observation
The relationship that exists between the two universal statements (A and E).
Contariety
When two statements cannot both be true or false at the same time
Contradiction
The term that is not found in the conclusion but appears in both premises
The middle term
The Law of Identity
A statement supported by what someone told you.
Authority
The relationship that exists between two statements of opposite quality and quantity (A and O or E and I)
Contradiction
When the falsity of the particular necessitates the falsity of the universal (of that same quality).
Superimplication
The last term in the conclusion that is found in the major premise.
The major term
A statement cannot be both true and false.
A statement supported by reason.
Deduction
A relationship that exists between the two particular statements
Subcontrariety
When two statements can both be false, but not both be true at the same time.
Contrariety
The first premise in a syllogism.
The major premise
Any statement is either true or false.
The Law of Excluded Middle
A statement by a person concerning his or her own desires, beliefs, or feelings.
Self-reports
The relationship that exists between the universal to the particular of the same quality. (A to I or E to O)
Subimplication
When two statements can both be true but not false at the same time.
Subcontrariety
The first term in the conclusion that is found in the minor premise.
The minor term
When two statements can both be true at the same time
Consistency
Statements that are true or false by logical structure.
Tautology
The relationship that exists between the particular to the universal of the same quality. (I to A or O to E)
Superimplication
When the truth of the universal necessities the truth of the particular (of that same quality)
Subimplication
The second premise in a syllogism.
The minor premise
When two statements imply one another
Logical equivalence