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abstraction
アブストラクション、抽象、抽象化
Abstract and concrete
abstract interpretation
Abstract labour and concrete labour
Abstract structure
Abstraction (sociology)
Charles Sanders Peirce
Concept
Conceptual model
Emergence
engaged theory
Gottlob Frege
Hypostatic abstraction
Leaky abstraction
Lyrical abstraction
Nucleophilic abstraction
Object of the mind
Platonic realism
Reification (knowledge representation)
Symbol
Inventor's paradox

googleabstraction
image abstraction
define abstraction
wikipedia abstraction
weblio abstraction
kotobank abstraction
jisho abstraction