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propositional logic, Boolean algebra, first-order logic. ⊥ {\displaystyle \bot } denotes a proposition that is always false. The symbol ⊥ may also refer to perpendicular lines. The proposition. ⊥ ∧ P {\displaystyle \bot \wedge P} is always false since at least one of the two is unconditionally false. ∀.
At sign. The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £ 2 per widget = £14), [1] now seen more widely in email addresses and social media platform handles. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign .
The voiced velar nasal, also known as eng, engma, or agma (from Greek ἆγμαâgma 'fragment'), is a type of consonantal sound used in some spoken languages. It is the sound of ng in English sing as well as n before velar consonants as in English and ink. The symbol in the International Phonetic Alphabet that represents this sound is ŋ , and ...
In many popular fonts the Unicode "superscript" and "subscript" characters are actually numerator and denominator glyphs. Unicode has subscripted and superscripted versions of a number of characters including a full set of Arabic numerals. [1] These characters allow any polynomial, chemical and certain other equations to be represented in plain ...
Eng or engma ( capital: Ŋ, lowercase: ŋ) is a letter of the Latin alphabet, used to represent a voiced velar nasal (as in English singing) in the written form of some languages and in the International Phonetic Alphabet . In Washo, lower-case ŋ represents a typical [ŋ] sound, while upper-case Ŋ represents a voiceless [ŋ̊] sound.
To insert a dash or minus sign, use the toolbar below the edit box. Click where you want the character to be inserted, select "Insert" from the pull-down menu, and then: To insert an en dash (–), click on the first character (the shorter dash). To insert an em dash (—), click on the second character (the longer dash).
Eth in Arial and Times New Roman. Eth ( / ɛð / edh, uppercase: Ð, lowercase: ð; also spelled edh or eð ), known as ðæt in Old English, [1] is a letter used in Old English, Middle English, Icelandic, Faroese (in which it is called edd ), and Elfdalian. It was also used in Scandinavia during the Middle Ages, but was subsequently replaced ...
The voiced palatal nasal is a type of consonant used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is ɲ , [1] a lowercase letter n with a leftward-pointing tail protruding from the bottom of the left stem of the letter. The equivalent X-SAMPA symbol is J.