// logic
atomic_formula =,atomic_formula -> [[원자식,atom]] (atomic_formula)
atomic_sentence =,atomic_sentence -> curr see [[원자식,atom]] 맨 아래
Boolean_atom =,Boolean_atom .
 WtEn:Boolean_atom = https://en.wiktionary.org/wiki/Boolean_atom

urelement 를 '''atom''' 혹은 individual이라 하기도 한다.
 WpEn:Urelement
 WtEn:urelement
 MathWorld:Urelement 

// [[순서론,order_theory]]
[[WpEn:Atom_(order_theory)]] = https://en.wikipedia.org/wiki/Atom_(order_theory)

// chemistry / physics
[[원자,atom]]
atomic_mass =,atomic_mass . atomic_mass { WtEn:atomic_mass  }
atomic_mass_unit (amu) =,atomic_mass_unit =,amu  -> [[원자질량단위,atomic_mass_unit(amu)]]

// Lisp
[[리스트,list]]가 아닌 것, [[scalar]].
See
https://en.wikipedia.org/wiki/Lisp_(programming_language)#Atoms

// Prolog
[[프롤로그,Prolog]]  .... [[프롤로그,prologue]] (opp [[에필로그,epilogue]]) 가 있는데 alt. pagename?
{

Cmp: [[Datalog]] =,Datalog =,Datalog . Datalog
{
https://en.wikipedia.org/wiki/Datalog
...
Ndict:Datalog
Ggl:Datalog
}

Up: [[logic_programming_language]] =,logic_programming_language =,logic_programming_language . logic_programming_language
{
Up: [[logic_programming]] - curr at [[로직,logic?action=highlight&value=logic_programming#s-2.4]] at 2023-11-17
}


[[WpKo:프롤로그_(프로그래밍_언어)]] = https://ko.wikipedia.org/wiki/프롤로그_(프로그래밍_언어)
...
Ndict:프롤로그
Bing:프롤로그
Ggl:프롤로그
}
의 atom:
 [[WpKo:프롤로그_(프로그래밍_언어)#아톰(Atom)]]
 [[WpEn:Prolog#Data_types]] 즉 [[data_type]](cur. page [[타입,type]])의 하나.

// atom말고 Atom - [[syndication_format]] =,syndication_format =,syndication_format . syndication_format { NdEn:syndication ... WtEn:syndication_format  Ndict:syndication+format Ggl:syndication+format }
RFC-4287
http://www.ietf.org/rfc/rfc4287.txt
The Atom Syndication Format

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Rel. [[원자성,atomicity]]

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https://everything2.com/title/atom