👉 Subcontraries are a type of logical connective in propositional logic. They are used to indicate that two propositions are not logically equivalent, but they do not necessarily mean that one proposition is false while the other is true. Instead, they imply that there exists some inconsistency between them. For example, if we have two propositions P and Q, then subcontrary 1 can be written as "P implies not Q" or "not Q implies not P". Similarly, subcontrary
