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A comprehensive table of symbols used in logic, with their names, readings, categories, explanations, and examples. Includes basic logic symbols, such as ⇒, ⇔, ¬, ∧, ∨, and ⊕, as well as symbols for propositional logic, Boolean algebra, and other fields.
Learn the meanings and uses of various mathematical symbols, such as + (plus sign), − (minus sign), × (multiplication sign), and more. See examples, syntax, and Unicode and LaTeX renderings of each symbol.
Learn about the Unicode block that contains styled forms of Latin and Greek letters and decimal digits for mathematics. Find the meaning and usage of the symbols, such as 𝐴 (script capital A) and ℭ (script capital B).
Learn about the Unicode characters with a derived property of "Math" in various blocks, such as Mathematical Operators, Supplemental Mathematical Operators, and Miscellaneous Technical. See the code charts and examples of mathematical notation for each block.
The symbol was originally introduced in 1770 by Nicolas de Condorcet, who used it for a partial differential, and adopted for the partial derivative by Adrien-Marie Legendre in 1786. [3] It represents a specialized cursive type of the letter d , just as the integral sign originates as a specialized type of a long s (first used in print by ...
Learn how the Greek letter rho (Ρρ) and other Greek letters are used as symbols for constants, functions, variables, and more in various fields of study. See the typography, history, and variations of Greek letters in mathematical notation.
The prime symbol ′, double prime ″, triple prime ‴, and quadruple prime ⁗ are used to designate units, angles, time, and other purposes in mathematics, science, linguistics and music. Learn how they are used in different contexts, such as derivatives, sets, vectors, chemistry, biology, and notation systems.
Three variants of obelus glyphs. The dagger symbol originated from a variant of the obelus, originally depicted by a plain line − or a line with one or two dots ÷. [7] It represented an iron roasting spit, a dart, or the sharp end of a javelin, [8] symbolizing the skewering or cutting out of dubious matter.