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  2. Language of mathematics - Wikipedia

    en.wikipedia.org/wiki/Language_of_mathematics

    June 2022) (Learn how and when to remove this message) The language of mathematics or mathematical language is an extension of the natural language (for example English ) that is used in mathematics and in science for expressing results ( scientific laws , theorems , proofs , logical deductions , etc.) with concision, precision and unambiguity.

  3. Formal system - Wikipedia

    en.wikipedia.org/wiki/Formal_system

    Formal language, which is a set of well-formed formulas, which are strings of symbols from an alphabet, formed by a formal grammar (consisting of production rules or formation rules). Deductive system, deductive apparatus, or proof system, which has rules of inference that take axioms and infers theorems, both of which are part of the formal ...

  4. First-order logic - Wikipedia

    en.wikipedia.org/wiki/First-order_logic

    First-order logic is the standard for the formalization of mathematics into axioms, and is studied in the foundations of mathematics. Peano arithmetic and Zermelo–Fraenkel set theory are axiomatizations of number theory and set theory , respectively, into first-order logic.

  5. Mathematical logic - Wikipedia

    en.wikipedia.org/wiki/Mathematical_logic

    The Handbook of Mathematical Logic [1] in 1977 makes a rough division of contemporary mathematical logic into four areas: . set theory; model theory; recursion theory, and; proof theory and constructive mathematics (considered as parts of a single area).

  6. Logical reasoning - Wikipedia

    en.wikipedia.org/wiki/Logical_reasoning

    [2] [3] It can be defined as "selecting and interpreting information from a given context, making connections, and verifying and drawing conclusions based on provided and interpreted information and the associated rules and processes." [4] Logical reasoning is rigorous in the sense that it does not generate any conclusion but ensures that the ...

  7. Prince Andrew's Business Adviser Accused of Being 'Chinese ...

    www.aol.com/prince-andrews-business-adviser...

    Prince Andrew is at the center of more controversy.. The Duke of York, 64, who is King Charles' brother, reportedly had close business links with a Chinese national, who is alleged to be a spy ...

  8. Cocoa was the top-performing commodity of 2024. The price of the bean surged as headwinds battered key producers. Prices are likely to stay high into 2025, analysts at ING said.

  9. Mathematical proof - Wikipedia

    en.wikipedia.org/wiki/Mathematical_proof

    The expression "statistical proof" may be used technically or colloquially in areas of pure mathematics, such as involving cryptography, chaotic series, and probabilistic number theory or analytic number theory. [23] [24] [25] It is less commonly used to refer to a mathematical proof in the branch of mathematics known as mathematical statistics.

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