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In tennis, the word "love" is used to replace 0 to refer to points, sets and matches. If the score during a game is 30-0, it is read as "thirty-love". Similarly, 3-0 would be read as "three-love" if referring to the score during a tiebreak, the games won during a set, or the sets won during a match. The term was adopted by many other racquet ...
Integral part: if x is a real number, [] often denotes the integral part or truncation of x, that is, the integer obtained by removing all digits after the decimal mark. This notation has also been used for other variants of floor and ceiling functions .
Ø (or minuscule: ø) is a letter used in the Danish, Norwegian, Faroese, and Southern Sámi languages. It is mostly used to represent the mid front rounded vowels, such as [] ⓘ and [] ⓘ, except for Southern Sámi where it is used as an [oe] diphthong.
Notice how = is excluded, for is not bijective in the origin (can take any value, the point will be mapped to (0, 0)). Then, replacing all occurrences of the original variables by the new expressions prescribed by Φ {\displaystyle \Phi } and using the identity sin 2 x + cos 2 x = 1 {\displaystyle \sin ^{2}x+\cos ^{2}x=1} , we get
A subderivative value 0 occurs here because the absolute value function is at a minimum. The full family of valid subderivatives at zero constitutes the subdifferential interval [ − 1 , 1 ] {\displaystyle [-1,1]} , which might be thought of informally as "filling in" the graph of the sign function with a vertical line through the origin ...
The negative squared letter B (🅱️; originally used to represent blood type B) [39] can be used to replace hard consonants as an internet meme. This originates from the practice of members of the Bloods replacing the letter C with the letter B, but has been extended to any consonant. [40] [41] Common examples are: Ni🅱️🅱️a ...
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Algebraic laws for regular expressions can be obtained using a method by Gischer which is best explained along an example: In order to check whether (X+Y) * and (X * Y *) * denote the same regular language, for all regular expressions X, Y, it is necessary and sufficient to check whether the particular regular expressions (a+b) * and (a * b ...