// logic
atomic_formula =,atomic_formula -> 원자식,atom (atomic_formula)
atomic_sentence =,atomic_sentence -> curr see 원자식,atom 맨 아래
Boolean_atom =,Boolean_atom .
urelement 를 atom 혹은 individual이라 하기도 한다.
// 순서론,order_theory
Atom_(order_theory) = https://en.wikipedia.org/wiki/Atom_(order_theory)

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

// Lisp
리스트,list가 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
...
Datalog
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
}

프롤로그_(프로그래밍_언어) = https://ko.wikipedia.org/wiki/프롤로그_(프로그래밍_언어)
...
프롤로그
프롤로그
프롤로그
}
의 atom:
// atom말고 Atom - syndication_format =,syndication_format =,syndication_format . syndication_format { syndication ... syndication_format syndication format syndication format }
RFC-4287
http://www.ietf.org/rfc/rfc4287.txt
The Atom Syndication Format

Rel. 원자성,atomicity

https://everything2.com/title/atom