Rigorous Reasoning

Concept · Foundations

Genus and Differentia

A classical pattern that defines a term by naming a broader class (genus) and the distinguishing feature (differentia) that sets the target apart from other members of that class.

Why it matters

This is a powerful and disciplined structure for many definitions, especially classificatory ones.

Where this shows up

Units and lessons using this concept

Following the links will take you to the page where this term is introduced in context.

Related

Other concepts in Foundations

A, E, I, O PropositionsAccessibility RelationArgumentAtomic StatementAuthorial IntentBase RateBayes FactorBurden of Proof in InterpretationCalibrationCardinalityCartesian ProductCategorical Proposition