The logic alphabet, also called the X-stem Logic Alphabet (XLA), constitutes an iconic set of symbols that systematically represents the sixteen possible...
10 KB (954 words) - 05:13, 14 January 2025
portal Glossary of logic Józef Maria Bocheński List of notation used in Principia Mathematica List of mathematical symbols Logic alphabet, a suggested set...
25 KB (256 words) - 07:14, 18 May 2025
used in a diverse range of fields including logic, mathematics, computer science, and linguistics. An alphabet may have any cardinality ("size") and, depending...
6 KB (842 words) - 05:49, 1 May 2025
mentally intuitive system of logic notation called the Logic Alphabet. The Logic Alphabet, also known as the X-stem Logic Alphabet (XLA), is a notation system...
13 KB (1,514 words) - 01:44, 5 September 2022
written with a Latin-script alphabet consisting of 26 letters, with each having both uppercase and lowercase forms. The word alphabet is a compound of alpha...
28 KB (2,672 words) - 15:28, 12 June 2025
Well-formed formula (redirect from Formula (mathematical logic))
In mathematical logic, propositional logic and predicate logic, a well-formed formula, abbreviated WFF or wff, often simply formula, is a finite sequence...
18 KB (2,164 words) - 01:24, 20 March 2025
Formal language (redirect from Language (logic))
In logic, mathematics, computer science, and linguistics, a formal language is a set of strings whose symbols are taken from a set called "alphabet". The...
27 KB (3,163 words) - 09:12, 24 May 2025
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...
145 KB (16,462 words) - 20:06, 11 June 2025
Default logic is a non-monotonic logic proposed by Raymond Reiter to formalize reasoning with default assumptions. Default logic can express facts like...
21 KB (3,222 words) - 09:46, 27 May 2025
Propositional calculus (redirect from Sentential logic)
branch of logic. It is also called propositional logic, statement logic, sentential calculus, sentential logic, or sometimes zeroth-order logic. Sometimes...
118 KB (11,444 words) - 15:51, 30 May 2025
In the specific cases of propositional logic and predicate logic, the formal languages considered have alphabets that are divided into two sets: the logical...
32 KB (4,478 words) - 03:26, 11 May 2025
Classical logic Computability logic Deontic logic Dependence logic Description logic Deviant logic Doxastic logic Epistemic logic First-order logic Formal...
25 KB (2,119 words) - 22:15, 10 April 2025
In logic, especially mathematical logic, a signature lists and describes the non-logical symbols of a formal language. In universal algebra, a signature...
10 KB (1,339 words) - 20:32, 30 August 2023
particularly from Arabic. In software development, the Turkish alphabet is known for requiring special logic, particularly due to the varieties of i and their lowercase...
35 KB (3,441 words) - 07:55, 7 June 2025
In logic, syntax is anything having to do with formal languages or formal systems without regard to any interpretation or meaning given to them. Syntax...
10 KB (1,052 words) - 03:58, 6 March 2025
First-order logic, also called predicate logic, predicate calculus, or quantificational logic, is a collection of formal systems used in mathematics,...
92 KB (12,937 words) - 23:18, 13 June 2025
Alpha (redirect from 1st letter of the Greek alphabet)
/ˈælfə/ ALF-ə (uppercase Α, lowercase α) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived...
13 KB (1,477 words) - 07:45, 28 April 2025
Omega (redirect from 24th letter of the Greek alphabet)
Modern Greek ωμέγα) is the twenty-fourth and last letter in the Greek alphabet. In the Greek numeric system/isopsephy (gematria), it has a value of 800...
23 KB (3,046 words) - 11:21, 29 May 2025
This article contains Deseret alphabet characters. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Deseret...
83 KB (7,803 words) - 13:43, 18 April 2025
In logic, linear temporal logic or linear-time temporal logic (LTL) is a modal temporal logic with modalities referring to time. In LTL, one can encode...
18 KB (1,832 words) - 09:51, 23 March 2025
In mathematical logic, a tautology (from Ancient Greek: ταυτολογία) is a formula that is true regardless of the interpretation of its component terms...
23 KB (3,114 words) - 06:31, 30 March 2025
reversed E) is an additional letter of the Latin alphabet used in African languages using the Pan-Nigerian alphabet. The minuscule is based on a rotated e and...
2 KB (168 words) - 13:38, 4 March 2025
In logic and mathematics, second-order logic is an extension of first-order logic, which itself is an extension of propositional logic. Second-order logic...
32 KB (4,502 words) - 01:10, 13 April 2025
Formal system (redirect from Logic systems)
arithmetic. Early logic systems includes Indian logic of Pāṇini, syllogistic logic of Aristotle, propositional logic of Stoicism, and Chinese logic of Gongsun...
14 KB (1,474 words) - 23:22, 13 June 2025
Sigma (redirect from 18th letter of the Greek alphabet)
position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics...
18 KB (2,191 words) - 13:06, 3 June 2025
In logic, a true/false decision problem is decidable if there exists an effective method for deriving the correct answer. Zeroth-order logic (propositional...
16 KB (1,887 words) - 21:01, 15 May 2025
In logic, a three-valued logic (also trinary logic, trivalent, ternary, or trilean, sometimes abbreviated 3VL) is any of several many-valued logic systems...
32 KB (3,292 words) - 19:39, 24 May 2025
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...
3 KB (421 words) - 16:00, 7 June 2025
Mathematical logic is the study of formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory...
69 KB (8,370 words) - 19:12, 10 June 2025
K, or k, is the eleventh letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others...
17 KB (1,433 words) - 13:14, 1 June 2025