Some playful images inspired by Aristotelian Logic

The Syllogism

Form of proposition.jpg

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

The-square-of-opposition.jpg

The subject-predicate form of atomic propositions

universal affirmative.jpg

Universal affirmative

Particular-Affirmative.jpg

Particular affirmative

Universal-negative.jpg

Universal negative

Particular-negative.jpg

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

SaP.jpg
SiP.jpg
SeP.jpg
SoP.jpg
moods copy.jpg

The moods of the syllogism