A System of Logic, Ratiocinative and Inductive is an 1843 book by English philosopher John Stuart Mill. In this work, he formulated the five principles...

non-standard models of arithmetic. Early logic systems includes Indian logic of Pāṇini, syllogistic logic of Aristotle, propositional logic of Stoicism, and...

Logic system may refer to: A type of Formal system Logic System, a musical project of Japanese composer and programmer Hideki Matsutake This disambiguation...

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...

systems, and distinct logical systems use different rules of inference. Propositional logic examines the inferential patterns of simple and compound propositions...

theory). Research in mathematical logic commonly addresses the mathematical properties of formal systems of logic such as their expressive or deductive...

Fuzzy logic is a form of many-valued logic in which the truth value of variables may be any real number between 0 and 1. It is employed to handle the concept...

The Logic File System is a research file system which replaces pathnames with expressions in propositional logic. It allows file metadata to be queried...

contains a list of sample Hilbert-style deductive systems for propositional logics. Classical propositional calculus is the standard propositional logic. Its...

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

The history of logic deals with the study of the development of the science of valid inference (logic). Formal logics developed in ancient times in India...

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...

Classical logic Computability logic Deontic logic Dependence logic Description logic Deviant logic Doxastic logic Epistemic logic First-order logic Formal...

paraconsistent logic is the subfield of logic that is concerned with studying and developing "inconsistency-tolerant" systems of logic, purposefully excluding...

A logic gate is a device that performs a Boolean function, a logical operation performed on one or more binary inputs that produces a single binary output...

in theories of logic and in their application. This involves questions about how logic is to be defined and how different logical systems are connected...

logic, sometimes more generally called constructive logic, refers to systems of symbolic logic that differ from the systems used for classical logic by...

is a branch of logic. It is also called propositional logic, statement logic, sentential calculus, sentential logic, or sometimes zeroth-order logic. Sometimes...

logic, software logic, such as in a programmable logic controller, is used.[clarification needed] Fundamentally, there are two types of control loop: open-loop...

In logic, a three-valued logic (also trinary logic, trivalent, ternary, or trilean, sometimes abbreviated 3VL) is any of several many-valued logic systems...

Modal logic is a kind of logic used to represent statements about necessity and possibility. It plays a major role in philosophy and related fields as a tool...

contains logic symbols. Without proper rendering support, you may see question marks, boxes, or other symbols instead of logic symbols. In logic, a set of symbols...

Systems of Logic Based on Ordinals was the PhD dissertation of the mathematician Alan Turing. Turing's thesis is not about a new type of formal logic...

In mathematics and logic, an axiomatic system is any set of primitive notions and axioms to logically derive theorems. A theory is a consistent,...

In logic, temporal logic is any system of rules and symbolism for representing, and reasoning about, propositions qualified in terms of time (for example...

mathematical study of logic and the physical analysis of quantum foundations, quantum logic is a set of rules for manip­ulation of propositions inspired...

this in 1843 in A System of Logic (fully titled A System of Logic, Ratiocinative and Inductive, Being a Connected View of the Principles of Evidence, and...

In logic, more specifically proof theory, a Hilbert system, sometimes called Hilbert calculus, Hilbert-style system, Hilbert-style proof system, Hilbert-style...

Stoic logic is the system of propositional logic developed by the Stoic philosophers in ancient Greece. It was one of the two great systems of logic in the...

mathematical logic, wherein a formal system of logic is sound if and only if every well-formed formula that can be proven in the system is logically valid...