In mathematical formulas, the standard typeface is italic type for Latin letters and lower-case Greek letters, and upright type for upper case Greek letters. As the number of these sorts has remarkably increased in modern mathematics, the Greek alphabet and some Hebrew letters are also used. 2 The identity means that if x is any number, then the two expressions have the same value. For example: means that x and y denote the same object. Two objects that are not equal are said to be distinct. Letters are used for representing many other sorts of mathematical objects. The symbol ' ' is called an 'equals sign'. Historically, upper-case letters were used for representing points in geometry, and lower-case letters were used for variables and constants. Her name, Themis, means ‘divine law’ and the Scales of Justice are her most important symbol, used to demonstrate a pragmatic and balanced. She was an organizer of communal affairs of the ancient Greeks. The decimal digits are used for representing numbers through the Hindu–Arabic numeral system. Themis, also known as ‘the Lady of Good Counsel’, is a Titaness from ancient Greece, famous for being a much-used symbol of justice. The most basic symbols are the decimal digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9), and the letters of the Latin alphabet. As formulas are entirely constituted with symbols of various types, many symbols are needed for expressing all mathematics. 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.
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