A free logic is a logic with fewer existential presuppositions than classical logic. Free logics may allow for terms that do not denote any object. Free...

Understood in a narrow sense, philosophical logic is the area of logic that studies the application of logical methods to philosophical problems, often...

Philosophy of logic is the area of philosophy that studies the scope and nature of logic. It investigates the philosophical problems raised by logic, such as...

engine but with reduced features called Logic Express was available starting in 2004. Apple's GarageBand comes free with all new Macintosh computers and...

value, either true or false. A logic satisfying this principle is called a two-valued logic or bivalent logic. In formal logic, the principle of bivalence...

Formal logic Free logic Fuzzy logic Higher-order logic Infinitary logic Informal logic Intensional logic Intermediate logic Interpretability logic Intuitionistic...

In mathematical logic, propositional logic and predicate logic, a well-formed formula, abbreviated WFF or wff, often simply formula, is a finite sequence...

x{\text{Flyinghorse}}(x)} is invalid in free logic, even though it is valid in first-order logic. Free logic uses an additional existence predicate (...

Look up Appendix:Glossary of logic in Wiktionary, the free dictionary. This is a glossary of logic. Logic is the study of the principles of valid reasoning...

First-order logic, also called predicate logic, predicate calculus, or quantificational logic, is a collection of formal systems used in mathematics,...

In logic, a predicate is a symbol that represents a property or a relation. For instance, in the first-order formula P ( a ) {\displaystyle P(a)} , the...

and co-editor of the Journal of Symbolic Logic. In logic, Van Frassen is best known for his work on free logic and his introduction of the supervaluation...

Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical...

ESPRESSO logic minimizer is a computer program using heuristic and specific algorithms for efficiently reducing the complexity of digital logic gate circuits...

written extensively on the subject of free logic, a term which he coined. Lambert's law is the major principle in any free definite description theory that...

Look up logic in Wiktionary, the free dictionary. Logic is the study of the principles and criteria of valid inference and demonstration. Logic may also...

Combinatory logic is a notation to eliminate the need for quantified variables in mathematical logic. It was introduced by Moses Schönfinkel and Haskell...

logic, algebraic logic is the reasoning obtained by manipulating equations with free variables. What is now usually called classical algebraic logic focuses...

Dialogical logic (German: dialogische Logik, also known as the logic of dialogues) is a pragmatic approach to the semantics of logic developed in the...

In logic and formal semantics, term logic, also known as traditional logic, syllogistic logic or Aristotelian logic, is a loose name for an approach to...

Logic optimization is a process of finding an equivalent representation of the specified logic circuit under one or more specified constraints. This process...

the empty set follows easily from the axiom of separation. Even using free logic (which does not logically imply that something exists), there is already...

texts outside of mathematical logic, for an individual expression it is not always possible to identify which variables are free and bound. For example, in...

Robert Bryson Hall II (born January 22, 1990), known professionally as Logic, is an American rapper, singer, songwriter, and record producer from Gaithersburg...

mathematics, logicism is a programme comprising one or more of the theses that – for some coherent meaning of 'logic' – mathematics is an extension of logic, some...

In mathematical logic, a sentence (or closed formula) of a predicate logic is a Boolean-valued well-formed formula with no free variables. A sentence...

In logic, a quantifier is an operator that specifies how many individuals in the domain of discourse satisfy an open formula. For instance, the universal...

Mathematical logic is the study of formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory...

Classical logic (or standard logic) or Frege–Russell logic is the intensively studied and most widely used class of deductive logic. Classical logic has had...

of deriving conclusions from premises. They are integral parts of formal logic, serving as norms of the logical structure of valid arguments. If an argument...