Hyphenation for 'associative'

Showing how to split the syllables of 'associative'.

Syllabification or syllabication is the separation of a word into syllables, whether spoken or written. The written separation is usually marked by a hyphen when using English orthography (e.g., syl-la-ble) and with a period when transcribing in the International Phonetic Alphabet (IPA). For presentation purposes, typographers may use an interpunct, or a special-purpose "hyphenation point".

At the end of a line, a word is separated in writing into parts conventionally called "syllables" if it does not fit and if moving it to the next line would make the first line much shorter than the others. This can be a particular problem with very long words. Word processing has automated the process of justification, making syllabification of shorter words often superfluous.

In mathematics, the associative property is a property of some binary operations that rearranging the parentheses in an expression will not change the result. In propositional logic, associativity is a valid rule of replacement for expressions in logical proofs. Within an expression containing two or more occurrences in a row of the same associative operator, the order in which the operations are performed does not matter as long as the sequence of the operands is not changed. That is (after rewriting the expression with parentheses and in infix notation if necessary), rearranging the parentheses in such an expression will not change its value. Consider the following equations: ( 2 + 3 ) + 4 = 2 + ( 3 + 4 ) = 9 2 × ( 3 × 4 ) = ( 2 × 3 ) × 4 = 24. {\displaystyle {\begin{aligned}(2+3)+4&=2+(3+4)=9\,\\2\times (3\times 4)&=(2\times 3)\times 4=24.\end{aligned}}}Even though the parentheses were rearranged on each line, the values of the expressions were not altered. Since this holds true when performing addition and multiplication on any real numbers, it can be said that "addition and multiplication of real numbers are associative operations". Associativity is not the same as commutativity, which addresses whether the order of two operands affects the result. For example, the order does not matter in the multiplication of real numbers, that is, a × b = b × a, so we say that the multiplication of real numbers is a commutative operation. However, operations such as function composition and matrix multiplication are associative, but not (generally) commutative. Associative operations are abundant in mathematics; in fact, many algebraic structures (such as semigroups and categories) explicitly require their binary operations to be associative. However, many important and interesting operations are non-associative; some examples include subtraction, exponentiation, and the vector cross product. In contrast to the theoretical properties of real numbers, the addition of floating point numbers in computer science is not associative, and the choice of how to associate an expression can have a significant effect on rounding error.

Description above from the Wikipedia article "associative", licenced under CC-BY-SA, full list of contributors on Wikipedia.

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