A schema is a template or pattern used in logic to represent a class of similar statements or propositions. It's…
Satisfiability determines if a logical formula can be true under any interpretation. It's a fundamental concept in computer science, forming…
Salve veritate, a Latin phrase meaning "with truth unchanged," signifies substitutions in logic that preserve truth values. It's crucial for…
A rule of inference is a logical structure that allows deriving a conclusion from a set of premises. It's fundamental…
Refutation is the critical process of disproving or demonstrating the falseness of a statement, argument, or theory. It involves presenting…
Referential opacity describes expressions where replacing a co-referential term might alter the truth value. This phenomenon is common in intensional…
The redundancy theory of truth posits that asserting a proposition is true is superfluous, adding no new information beyond the…
Reductio ad absurdum is a logical argument proving a statement false by showing it leads to a contradiction or an…
The Ramsey test is a criterion for accepting conditional statements. It suggests accepting 'If P, then Q' if adding P…
An extension of the simple theory of types, the ramified theory introduces levels to distinguish objects and functions by order,…