Something doesn't work?

  • The Num lock should always be enabled. If it is disabled when you are attempting an alt code, it may cause errors or unexpected results in some applications. For example, Alt+4 could be interpreted as Alt +, ← which causes the browser to go back if the Num lock is disabled.
  • If your laptop keyboard doesn't have a separate NumPad, you should hold FN button with Alt button while typing the code.
  • This method does not work for Linux system, but it is possible to use Unicode.

Identical Symbol

The triple bar has many meanings depending on the context where it is used. The equal symbol should be differentiated from other symbols which have the same shape.

In mathematics, it refers to an operation where the value of the operation is true when each side of the argument has the same value. In philosophy, it was used to argue that two statements can be identical if only one statement can substitute the other without any change in the meaning.

In logic, it means ( if and only if ), it is also called material equivalence. It is used for the metalogical notion of logical equivalence.

How to use and type Identical symbol code?

  • If your keyboard contains separate NumPad, you should be sure that it is enabled. If it is not, press the Num Lock key to activate it then press hold down the Alt key on the left side. Type the number that represents that character or the symbol you want to insert and then release the insert key.
  • For example, for the greek letter omega Ω press and hold Alt and the type 0234 and then release.
  • There is another method that works only for word documents. In this method, you should type the characters first then press Alt and X. For example ( 0234 + Alt + X for greek letter omega ).
  • If you have a keyboard that doesn't have NumPad here is what will work for you. Find the Function key ( FN ) then presses and hold the function key while holding press and release Num LK key; then release FN key. This method will activate the numeric keypad in your laptop.
  • Then do the same steps as in the previous example.
  • Notice that in IBM code you don't use 0 (Alt + 255 ) before the code which is different from the windows generator that requires to add 0 (Alt + 0255 ) before the code.

Table of Symbols and Codes

Symbol Title / Description Unicode Code / HTML Code
≢ Not Identical To ≢ ≢
≡ Identical To ≡ ≡
⧥ Identical To And Slanted Parallel ⧥ ⧥
⩧ Identical With Dot Above ⩧ ⩧

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