• logic and computer science, two-variable logic is the fragment of first-order logic where formulae can be written using only two different variables....
    3 KB (384 words) - 13:07, 13 September 2022
  • science. First-order logic uses quantified variables over non-logical objects, and allows the use of sentences that contain variables. Rather than propositions...
    93 KB (13,119 words) - 06:28, 11 October 2024
  • mathematical logic, a propositional variable (also called a sentence letter, sentential variable, or sentential letter) is an input variable (that can either...
    4 KB (445 words) - 04:10, 4 October 2024
  • propositional logic, where a tautology is defined as a propositional formula that is true under any possible Boolean valuation of its propositional variables. A...
    23 KB (3,167 words) - 14:48, 29 October 2024
  • mathematical logic and computer science, a variable may be said to be either free or bound. Some older books use the terms real variable and apparent variable for...
    15 KB (2,227 words) - 11:34, 3 September 2024
  • logic. Second-order logic is in turn extended by higher-order logic and type theory. First-order logic quantifies only variables that range over individuals...
    32 KB (4,399 words) - 09:00, 7 October 2024
  • 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...
    31 KB (4,537 words) - 22:04, 14 September 2024
  • 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...
    54 KB (6,602 words) - 16:55, 22 September 2024
  • Thumbnail for Karnaugh map
    can even wrap beyond the edge of the chart for variable minimization. This is because each logic variable corresponds to each vertical column and horizontal...
    30 KB (3,558 words) - 18:32, 29 October 2024
  • spaces, etc. In mathematical logic, a variable is either a symbol representing an unspecified constant of the theory, or a variable which is being quantified...
    25 KB (3,240 words) - 07:25, 24 October 2024
  • In logic and the philosophy of logic, specifically in deductive reasoning, a rule of inference, inference rule or transformation rule is a logical form...
    11 KB (1,475 words) - 00:52, 5 October 2024
  • All of these types of variables can be quantified. There are two kinds of interpretations commonly employed for higher-order logic. Full semantics require...
    32 KB (4,422 words) - 02:29, 30 September 2024
  • propositional logic, ψ is a substitution instance of φ if and only if ψ may be obtained from φ by substituting formulas for propositional variables in φ, replacing...
    19 KB (2,122 words) - 02:50, 16 September 2024
  • logic. It is also called (first-order) propositional logic, statement logic, sentential calculus, sentential logic, or sometimes zeroth-order logic....
    110 KB (11,043 words) - 19:58, 21 October 2024
  • In logic, temporal logic is any system of rules and symbolism for representing, and reasoning about, propositions qualified in terms of time (for example...
    33 KB (3,804 words) - 01:43, 14 October 2024
  • first-order logic. In those contexts, a formula is a string of symbols φ for which it makes sense to ask "is φ true?", once any free variables in φ have...
    18 KB (2,164 words) - 08:24, 27 August 2024
  • Combinatory logic is a notation to eliminate the need for quantified variables in mathematical logic. It was introduced by Moses Schönfinkel and Haskell...
    41 KB (5,243 words) - 13:58, 25 August 2024
  • Logic Complexity Navigator for examples). Many DLs are decidable fragments of first-order logic (FOL) and are usually fragments of two-variable logic...
    38 KB (4,209 words) - 10:43, 4 May 2024
  • contains logic symbols. Without proper rendering support, you may see question marks, boxes, or other symbols instead of logic symbols. In logic, a set...
    25 KB (229 words) - 11:25, 14 September 2024
  • mathematical logic, Boolean algebra is a branch of algebra. It differs from elementary algebra in two ways. First, the values of the variables are the truth...
    74 KB (9,506 words) - 18:23, 19 October 2024
  • represent the required logical function by a diagram representing the logic variables and value of the function. By manipulating or inspecting a diagram...
    16 KB (1,660 words) - 13:24, 11 September 2024
  • Constraint logic programming is a form of constraint programming, in which logic programming is extended to include concepts from constraint satisfaction...
    39 KB (6,028 words) - 08:00, 30 May 2024
  • Classical logic Computability logic Deontic logic Dependence logic Description logic Deviant logic Doxastic logic Epistemic logic First-order logic Formal...
    24 KB (2,096 words) - 08:58, 29 October 2024
  • Counting quantification (category Quantifier (logic))
    are interesting in the context of logics such as two-variable logic with counting that restrict the number of variables in formulas. Also, generalized counting...
    2 KB (276 words) - 10:16, 5 July 2024
  • networks and Bayesian networks. Arguments in subjective logic are subjective opinions about state variables which can take values from a domain (aka state space)...
    18 KB (2,463 words) - 13:08, 4 April 2024
  • In logic, a metavariable (also metalinguistic variable or syntactical variable) is a symbol or symbol string which belongs to a metalanguage and stands...
    3 KB (320 words) - 16:40, 9 July 2024
  • Thumbnail for Inverter (logic gate)
    In digital logic, an inverter or NOT gate is a logic gate which implements logical negation. It outputs a bit opposite of the bit that is put into it...
    11 KB (1,191 words) - 18:28, 14 March 2024
  • 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...
    270 KB (30,189 words) - 22:16, 28 September 2024
  • theorem-proving technique for sentences in propositional logic and first-order logic. For propositional logic, systematically applying the resolution rule acts...
    28 KB (4,066 words) - 04:41, 15 February 2024
  • In logic, specifically in deductive reasoning, an argument is valid if and only if it takes a form that makes it impossible for the premises to be true...
    9 KB (1,110 words) - 07:13, 17 October 2024