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  2. Triple bar - Wikipedia

    en.wikipedia.org/wiki/Triple_bar

    The triple bar or tribar, , is a symbol with multiple, context-dependent meanings indicating equivalence of two different things. Its main uses are in mathematics and logic. Its main uses are in mathematics and logic.

  3. ≡ - Wikipedia

    en.wikipedia.org/wiki/%E2%89%A1

    The symbol is used in science and mathematics with several different meanings. It may refer to the following: ... Equivalence relation, often denoted using a ...

  4. List of typographical symbols and punctuation marks

    en.wikipedia.org/wiki/List_of_typographical...

    The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;

  5. 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.

  6. 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 ...

  7. Logical equivalence - Wikipedia

    en.wikipedia.org/wiki/Logical_equivalence

    However, these symbols are also used for material equivalence, so proper interpretation would depend on the context. Logical equivalence is different from material equivalence, although the two concepts are intrinsically related.

  8. These are the pedophile symbols you need to know to protect ...

    www.aol.com/news/2016-04-26-these-are-the...

    Click through the see images of the symbols: Show comments. Advertisement. Advertisement. In Other News. Entertainment. Entertainment. Parade. Christian Juttner, former Disney child star, dead at 60.

  9. Logical connective - Wikipedia

    en.wikipedia.org/wiki/Logical_connective

    Disjunction: the symbol appeared in Russell in 1908 [6] (compare to Peano's use of the set-theoretic notation of union); the symbol + is also used, in spite of the ambiguity coming from the fact that the + of ordinary elementary algebra is an exclusive or when interpreted logically in a two-element ring; punctually in the history a + together ...