Definition:Particular Affirmative/Also denoted as

Particular Affirmative: Also denoted as

Traditional logic abbreviated the particular affirmative as $\mathbf I$.

Thus, when examining the categorical syllogism, the particular affirmative $\exists x: \map S x \land \map P x$ is often abbreviated:

$\map {\mathbf I} {S, P}$

Sources

• 1965: E.J. Lemmon: Beginning Logic ... (previous) ... (next): Chapter $4$: The Predicate Calculus $2$: $4$ The Syllogism