Poset vs Null - What's the difference?
poset | null |
(set theory) A partially ordered set.
* 1973, Barbara L. Osofsky, Homological Dimensions of Modules , American Mathematical Society, ISBN 0821816624, page 76,
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A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between poset and null
is that poset is (set theory) a partially ordered set while null is zero, nil; the cardinal number before einn.poset
English
Noun
(en noun)- 42. Definition.'' A poset (partially ordered set) (''X'', ?) (usually written just ''X'') is a set ''X'' together with a transitive, antisymmetric relation ? on ''X .
- 43. Definition.'' A linearly ordered set or chain is a poset (''X'', ?), such that ?''a'', ''b'' ? ''X'', either ''a'' ? ''b'' or ''b'' ? ''a'' or ''a'' = ''b .
Synonyms
* See alsoAnagrams
* * * * * * * ---- ==Serbo-Croatian==Alternative forms
* (Ijekavian ): * (Montenegrin ):Noun
Declension
{{sh-decl-noun , poset, poseti , poseta, poseta , posetu, posetima , poset, posete , posete, poseti , posetu, posetima , posetom, posetima }}null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.