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A defining vocabulary is a list of words used by lexicographers to write dictionary definitions. The underlying principle goes back to Samuel Johnson's notion that words should be defined using 'terms less abstruse than that which is to be explained', [1] and a defining vocabulary provides the lexicographer with a restricted list of high-frequency words which can be used for producing simple ...
It includes the F.F.1 list with 1,500 high-frequency words, completed by a later F.F.2 list with 1,700 mid-frequency words, and the most used syntax rules. [12] It is claimed that 70 grammatical words constitute 50% of the communicatives sentence, [13] [14] while 3,680 words make about 95~98% of coverage. [15] A list of 3,000 frequent words is ...
This is a list of dictionaries considered authoritative or complete by approximate number of total words, or headwords, included. number of words in a language. [1] [2] In compiling a dictionary, a lexicographer decides whether the evidence of use is sufficient to justify an entry in the dictionary. This decision is not the same as determining ...
In a directed set, every pair of elements (particularly pairs of incomparable elements) has a common upper bound within the set. If a directed set has a maximal element, it is also its greatest element, [proof 7] and hence its only maximal element. For a directed set without maximal or greatest elements, see examples 1 and 2 above.
A measure is called complete if every negligible set is measurable. A measure can be extended to a complete one by considering the σ-algebra of subsets which differ by a negligible set from a measurable set , that is, such that the symmetric difference of and is contained in a null set.
A vocabulary (also known as a lexicon) is a set of words, typically the set in a language or the set known to an individual. The word vocabulary originated from the Latin vocabulum, meaning "a word, name". It forms an essential component of language and communication, helping convey thoughts, ideas, emotions, and information.
Minimal English is a derivative of the natural semantic metalanguage research, with the first major publication in 2018. [11] It is a reduced form of English designed for non-specialists to use when requiring clarity of expression or easily translatable materials. [12] Minimal English uses an expanded set of vocabulary to the semantic primes.
Let X be a topological space, and let a subset be negligible if it is of first category, that is, if it is a countable union of nowhere-dense sets (where a set is nowhere-dense if it is not dense in any open set). Then the negligible sets form a sigma-ideal. Let X be a directed set, and let a subset of X be negligible if it has an upper bound ...