Category:Terms of Categorical Syllogisms

This category contains results about Terms of Categorical Syllogisms.
Definitions specific to this category can be found in Definitions/Terms of Categorical Syllogisms.

There are three terms in a categorical syllogism:

Primary Term of Syllogism

The primary term of a categorical syllogism is the term that appears as the second predicate of the conclusion of the syllogism.

It also appears once in one of the premises of the syllogism, traditionally the major premise.

It is usually denoted by $P$.

Middle Term of Syllogism

The middle term of a categorical syllogism is the term that does not appear in the conclusion of the syllogism.

It appears once in each of the premises of the syllogism.

It is usually denoted by $M$.

Secondary Term of Syllogism

The secondary term of a categorical syllogism is the term that appears as the first predicate of the conclusion of the syllogism.

It also appears once in one of the premises of the syllogism, traditionally the minor premise.

It is usually denoted by $S$.