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2. Greatest common divisor - Wikipedia

   en.wikipedia.org/wiki/Greatest_common_divisor

   The greatest common divisor (GCD) of integers a and b, at least one of which is nonzero, is the greatest positive integer d such that d is a divisor of both a and b; that is, there are integers e and f such that a = de and b = df, and d is the largest such integer.

3. List of logic symbols - Wikipedia

   en.wikipedia.org/wiki/List_of_logic_symbols

   The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.

4. Glossary of logic - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_logic

   The study of logic within the framework of mathematical reasoning, focusing on the mathematical properties of logical systems. matrix The quantifier-free part of a formula in prenex normal form. [184] [185] maximal consistent set

5. Mathematical notation - Wikipedia

   en.wikipedia.org/wiki/Mathematical_notation

   Mathematical notation is widely used in mathematics, science, and engineering for representing complex concepts and properties in a concise, unambiguous, and accurate way. For example, the physicist Albert Einstein 's formula E = m c 2 {\displaystyle E=mc^{2}} is the quantitative representation in mathematical notation of mass–energy ...

6. Mathematical logic - Wikipedia

   en.wikipedia.org/wiki/Mathematical_logic

   Mathematical logic is the study of formal logic within mathematics.Major subareas include model theory, proof theory, set theory, and recursion theory (also known as computability theory).

7. Sentence (mathematical logic) - Wikipedia

   en.wikipedia.org/wiki/Sentence_(mathematical_logic)

   In mathematical logic, a sentence (or closed formula) [1] of a predicate logic is a Boolean-valued well-formed formula with no free variables. A sentence can be viewed as expressing a proposition , something that must be true or false.

8. Glossary of mathematical symbols - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_mathematical...

   A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

9. Judgment (mathematical logic) - Wikipedia

   en.wikipedia.org/wiki/Judgment_(mathematical_logic)

   In mathematical logic, a judgment (or judgement) or assertion is a statement or enunciation in a metalanguage.For example, typical judgments in first-order logic would be that a string is a well-formed formula, or that a proposition is true.