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The use of many symbols is the basis of mathematical notation. They play a similar role as words in natural languages . They may play different roles in mathematical notation similarly as verbs, adjective and nouns play different roles in a sentence.
Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.
When defining a term, do not use the phrase "if and only if". For example, instead of A function f is even if and only if f(−x) = f(x) for all x; write A function f is even if f(−x) = f(x) for all x. If it is reasonable to do so, rephrase the sentence to avoid the use of the word "if" entirely. For example,
Greek mathematics [a] reached its acme during the Hellenistic and early Roman periods, and much of the work represented by authors such as Euclid (fl. 300 BC), Archimedes (c. 287–212 BC), Apollonius (c. 240–190 BC), Hipparchus (c. 190–120 BC), and Ptolemy (c. 100–170 AD) was of a very advanced level and rarely mastered outside a small ...
These tables show all styled forms of Latin and Greek letters, symbols and digits in the Unicode Standard, with the normal unstyled forms of these characters shown with a cyan background (the basic unstyled letters may be serif or sans-serif depending upon the font).
A figure of speech or rhetorical figure is a word or phrase that intentionally deviates from straightforward language use or literal meaning to produce a rhetorical or intensified effect (emotionally, aesthetically, intellectually, etc.). [1] [2] In the distinction between literal and figurative language, figures of speech constitute the latter.
Sibilance is used most successfully in stanzas one and five. The writer uses sibilance to imitate the sound and atmosphere she describes. In stanza one, she is imitating the "silent sign," and in stanza five she is trying to create a serene atmosphere that is "soft" and "sweetly spoke" by using the soft "s" sound repeatedly.
Authors including Chomsky and Halle group and as sibilants. However, they do not have the grooved articulation and high frequencies of other sibilants, and most phoneticians [ 1 ] continue to group them together with bilabial [ ΙΈ ] , [ β ] and (inter)dental [ θ ] , [ ð ] as non-sibilant anterior fricatives.