Biconditional Relation
A biconditional relation states that two conditions are true if and only…
Alethic Modality
Alethic modality explores the nature of necessity and possibility. It distinguishes between…
Actual Presupposition
An actual presupposition is a statement implicitly assumed to be true before…
Philosophy
Philosophy, the love of wisdom, explores fundamental questions about existence, knowledge, values,…
Philosophy
Philosophy explores fundamental questions about existence, knowledge, values, reason, mind, and language.…
Mathematics
Mathematics is the abstract science of number, quantity, and space. It explores…
Mathematics
Mathematics is the abstract science of number, quantity, and space. It explores…
Weakening Rule in Logic
The weakening rule allows adding propositions to a logical derivation without invalidating…
Weak Negation in Logic
Weak negation, found in non-classical logics, asserts the absence of truth for…