Some playful images inspired by Aristotelian Logic
The Syllogism

The basic form of every proposition is 'S is P' where 'S' stands for subject, 'P' for predicate and 'is' for the copula.

The subject-predicate form of atomic propositions

Universal affirmative

Particular affirmative

Universal negative

Particular negative
The Square of Opposition
What can be predicated universally of anything else, whether affirmatively of negatively, can be predicated in the same way of all that is contained under it.
Mandel's edition of Aldrich's Logic, Oxford 1862





The moods of the syllogism