Term Logic
Term logic, central to Aristotelian thought, analyzes propositions by focusing on the…
Subalternation in Logic
Subalternation describes how a universal statement's truth guarantees the truth of its…
Subaltern in Syllogistic Logic
In syllogistic logic, a subaltern relationship means a universal proposition's truth implies…
Obverse in Traditional Logic
The obverse is a logical operation that negates a proposition's predicate and…
Normal Modal Logic
Normal modal logic is a foundational system in logic that incorporates rules…
Negation Elimination in Natural Deduction
Negation elimination is a fundamental rule in natural deduction. It permits inferring…
Inferentialism: Meaning Through Inference
Inferentialism posits that a statement's meaning arises from the rules governing its…
Explosion Principle in Logic
The Explosion Principle, also known as ex falso quodlibet, states that from…