Conversion is a logical operation that swaps the subject and predicate of a categorical proposition. This process can alter the…
Contraposition is a logical principle establishing the equivalence between a conditional statement and its contrapositive. It transforms 'If P, then…
A conservative extension adds new axioms or rules to a theory without altering the truth of existing statements. This ensures…
Consequentia mirabilis, a classical logic principle, asserts that if the negation of a statement leads to a contradiction, the original…
Connexive logic explores the principles of connection between propositions, focusing on relationships like a statement and its contrapositive. It aims…
Learn about the conjunction introduction, a fundamental rule of inference in logic. It permits combining two separate statements into a…
Conjunction elimination is a fundamental rule of inference in propositional logic. It permits the deduction of a single conjunct from…
A compound formula is a logical expression constructed from simpler statements and logical operators. It allows for the representation of…
Causal modal logic extends standard modal logic with modalities for necessity, possibility, and causal relations. It enables formal analysis of…
A proposition linking two categories, stating whether some or all of one are part of the other. Crucial for syllogisms…