In set theory, intersection and union are shown by ‘∩’ and ‘∪‘. The union of sets, “A∪B”, might be seen as taking all the elements of ‘A’ and also the elements of ‘B’; but that would not be the “and” (‘Λ’) of mathematical logic. Or the arrows, U+2191 and U+2193. “” If you don’t have text next to it you wouldn’t need the span or the margin-bottom offset. Let ‘X’ and ‘Y’ represent any possibly true or false statements. Accessed July 26, 2012. Let A={a, e, i, o, u, y} and B={a, b, c, d, e, f}. The intersection of sets, “A∩B” has even less to do with a logical “or” (‘∨‘) operation. “X∨Y” is true if either ‘X’ or ‘Y’ is true, which includes the situation where both ‘X’ and ‘Y’ are true. Other areas of math may use these symbols in other ways, but these interpretations deal most directly with the reader’s question. The use of the caron differs according to the orthographic rules of a language. The intersection of sets ‘A’ and ‘B’ is the set containing the unique elements from both set ‘A’ and set ‘B’. These are used in mathematical logic. ◼ However, it usually represents the exponentiation operation. The caret (/ ˈ k ær ɪ t /) is a V-shaped grapheme, usually inverted and sometimes extended, used in proofreading and typography to indicate that additional material … From the example statements, “A∨B”, “A∨C” and “B∨C” are all true. But seriously, aside from Unicode, all I can find would be &darr, which looks like ↓. ↓ / Here’s one: ╲╱. Save my name, email, and website in this browser for the next time I comment. “X∨Y” is true if either ‘X’ or ‘Y’ is true, which includes the situation where both ‘X’ and ‘Y’ are true. Only “AΛC” is true because each of statements ‘A’ and ‘C’ are true. For example, 2^3 = 2*2*2 = 8. Symbols are everywhere in math, but do you know what they mean? Image by Mike DeHaan. Your email address will not be published. I have to maintain a large number of classic ASP pages, many of which have tabular data with no sort capabilities at all. • (2012). One is the ∪ and the upside down ∩, and the other set is the ∨ and the ∧. A∩B={a, e}. A powerful option – and one which also boosts creativity – is designing your own characters using box drawing characters. ⋆ Amp What is a quick, interactive reference of 33,212 HTML character entities and common Unicode characters, 8859-1 characters, quotation marks, punctuation marks, accented characters, symbols, mathematical symbols, and Greek letters, icons, and markup-significant & internationalization characters. HTML, CSS, JavaScript? In mathematical logic, the “and” and “or” operations are shown by ‘Λ’ and ‘V’. Wood, Alan. ☮ Our reader’s question also asked about ‘V’ and upside-down ‘V’, ‘Λ’ or Lambda. In other words, “Bring all the elements together but discard duplicates”.

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