**decidability** — noun see decide … New Collegiate Dictionary

**decidability** — See decide. * * * … Universalium

**decidability** — noun the state or condition of being decidable. Ant: undecidability … Wiktionary

**decidability** — … Useful english dictionary

**Decidability (logic)** — In logic, the term decidable refers to the decision problem, the question of the existence of an effective method for determining membership in a set of formulas. Logical systems such as propositional logic are decidable if membership in their… … Wikipedia

**decidable** — decidability, n. /di suy deuh beuhl/, adj. 1. capable of being decided. 2. Logic. (of an axiom, proposition, etc.) having the property that its consistency or inconsistency with the axioms of a given logical system is determinable. [1585 95;… … Universalium

**Decision problem** — A decision problem has only two possible outputs, yes or no (or alternately 1 or 0) on any input. In computability theory and computational complexity theory, a decision problem is a question in some formal system with a yes or no answer,… … Wikipedia

**Admissible rule** — In logic, a rule of inference is admissible in a formal system if the set of theorems of the system is closed under the rule. The concept of an admissible rule was introduced by Paul Lorenzen (1955).DefinitionsThe concept of admissibility, as… … Wikipedia

**Recursive languages and sets** — This article is a temporary experiment to see whether it is feasible and desirable to merge the articles Recursive set, Recursive language, Decidable language, Decidable problem and Undecidable problem. Input on how best to do this is very much… … Wikipedia

**Tarski's exponential function problem** — In model theory, Tarski s exponential function problem asks whether the usual theory of the real numbers together with the exponential function is decidable. Tarski had previously shown that the theory of the real numbers (without the exponential … Wikipedia