- logical symbols
- изч.• логически символ
English-Bulgarian polytechnical dictionary . 2013.
logical symbols
Look at other dictionaries:
Logical symbols — Reading logical symbolism frightens many people more than it should. The very term symbolic logic sounds terrifying, and the presence of even a small amount of symbolism may deter many readers from otherwise perfectly intelligible texts. The… … Philosophy dictionary
Logical connective — This article is about connectives in classical logic. For connectors in natural languages, see discourse connective. For connectives and operators in other logics, see logical constant. For other logical symbols, see table of logic symbols. In… … Wikipedia
logical constants — The expressions selected to indicate the logical form of a sentence. A sentence will play a proper role in inference in virtue of a structure that can be exhibited by means of these expressions. The basic logical constants include expressions for … Philosophy dictionary
Logical positivism — (also known as logical empiricism, scientific philosophy, and neo positivism) is a philosophy that combines empiricism the idea that observational evidence is indispensable for knowledge with a version of rationalism incorporating mathematical… … Wikipedia
Logical truth — is one of the most fundamental concepts in logic, and there are different theories on its nature. A logical truth is a statement which is true and remains true under all reinterpretations of its components other than its logical constants. It is… … Wikipedia
Logical implication — In logic and mathematics, logical implication is a logical relation that holds between a set T of formulae and a formula B when every model (or interpretation or valuation) of T is also a model of B . In symbols,# T models B, # T Rightarrow B # T … Wikipedia
Logical constant — In symbolic logic, a logical constant of a language L is a symbol that has the same semantic value in all models of (the expressions of) L . Two important types of logical constants are logical connectives and quantifiers. The equality predicate… … Wikipedia
Logical equivalence — In logic, statements p and q are logically equivalent if they have the same logical content.Syntactically, p and q are equivalent if each can be proved from the other. Semantically, p and q are equivalent if they have the same truth value in… … Wikipedia
Logical equality — For the corresponding concept in combinational logic, see XNOR gate. XNOR Logic Gate Symbol Logical equality is a logical operator that corresponds to equality in Boolean algebra and to the logical biconditional in propositional calculus. It… … Wikipedia
logical form — The logical form of a sentence is the structure, shareable with other sentences, responsible for its powers in inferences. That is, its logical form determines the way in which it can be validly deduced from other sentences, and the way other… … Philosophy dictionary
Non-logical symbol — In logic, the formal languages used to create expressions consist of symbols which can be broadly divided into constants and variables. The constants of a language can further be divided into logical symbols and non logical symbols (sometimes… … Wikipedia
