Consequentia mirabilis (Latin for "admirable consequence"), also known as Clavius's Law, is used in traditional and classical logic to establish the truth...

law's special case when Q {\displaystyle Q} is rejected, called consequentia mirabilis, is equivalent to excluded middle already over minimal logic. This...

principle PP, compare to Consequentia mirabilis) = IPC + (q → p) → ((¬q → p) → p) (another schema generalizing Consequentia mirabilis) = IPC + p ∨ (p → q)...

\psi )} Already minimal logic proves excluded middle equivalent to consequentia mirabilis, an instance of Peirce's law. Now akin to modus ponens, clearly...

{\displaystyle C=\bot } . Thirdly, it follows from the valid weak form of consequentia mirabilis: ( ¬ B → ¬ ¬ B ) ↔ ¬ ¬ B {\displaystyle (\neg B\to \neg \neg B)\leftrightarrow...

Philosophy portal Ambiguity Catch-22 (logic) Circular definition Consequentia mirabilis Euphemism treadmill Infinite regress § Failure to explain Fallacies...

strength of logics without ex falso are discussed in minimal logic. Consequentia mirabilis – Clavius' Law Dialetheism – belief in the existence of true contradictions...

formalist-intuitionist divide around the Law of the excluded middle Consequentia mirabilis – Pattern of reasoning in propositional logic Constructive set theory...

indicating the result or outcome if the antecedent condition is met. consequentia mirabilis A principle in classical logic stating that if the negation of a...

negated propositions (WLEM) through the intuitionistic form of consequentia mirabilis. Kreisel–Putnam logic, obtained by adopting this schema for negated...

of truth Consent Consent theory Consequence relation Consequent Consequentia mirabilis Consequentialism Consequentialist justifications of the state Consequentialist...

which is usually a valid logical argument. ab abusu ad usum non valet consequentia The inference of a use from its abuse is not valid i.e., a right is still...

which is usually a valid logical argument. ab abusu ad usum non valet consequentia The inference of a use from its abuse is not valid i.e., a right is still...