12 сент. 2012 г. · Generally used Symbol for unknown value is x and other letters. and. unknown probability of some event A is denoted as P(A) or PA. |
12 июн. 2020 г. · The question is, what should be the right symbol to denote a "null value"/"nothing". I do not want to use the symbol ∅ since it represents an empty "set". |
30 янв. 2015 г. · In Computer science there are some symbols: undefined, null and NaN (not a number). But I've never seen something similar in math. |
24 янв. 2018 г. · You can use |A| to denote the cardinality of a set A. However the symbols |A| can be interpreted in many different ways. |
30 июл. 2021 г. · There is no particular reason to use either X or ξ and there is no real consensus which symbol one should use. It is rather a matter of convenience. |
28 дек. 2011 г. · According to this PDF, the unicode for this character is 0x3D0 , which is The Greek Beta Symbol (an alternate). Here it is in LATEX: ϐ. Share. |
21 янв. 2018 г. · Is the normal equality symbol used (=), or something else, like the equivalence symbol (≡)?. As an example; would you write: ϕ:GL2 ... |
28 сент. 2013 г. · For example, in most languages in which mathematics is written, the word for plane has a prominent P sound, and the Greek letter for that is π. |
11 февр. 2013 г. · This is the membership relation, but in set theory this is also known as the epsilon relation, and historically the notation was indeed ε. |
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