Derivation is the process of establishing a result from a set of premises or axioms using logical rules. It's fundamental…
Tonk is a fictional logical connective that highlights the necessity of inference rules in defining logical operators. It demonstrates how…
Syntactic consequence defines the relationship between premises and conclusions derived through logical rules and axioms within a formal system. It…
A sublogic is a logical system that forms a subset of a more extensive logic. It preserves certain operations and…
Soundness ensures that a logical system's derived theorems are always true under any interpretation. It's a fundamental property for reliable…
A schema is a template or pattern used in logic to represent a class of similar statements or propositions. It's…
Ordered logic is a type of formal logic that prohibits weakening and permutation rules. This ensures that inferences made within…
Obversion is a logical operation transforming a categorical proposition into an equivalent statement. It involves negating the predicate and changing…
A logical theorem is a statement proven true within a formal system. It relies on axioms and inference rules, representing…
Immediate inference is a direct reasoning process where a conclusion is drawn from a single premise. It bypasses intermediate steps,…