説

(1)a belief that can guide behavior; "the architect has a theory that more is less"; "they killed him on the theory that dead men tell no tales"

(2)行動を導く信条

(3)a well-substantiated explanation of some aspect of the natural world; an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena; "theories can incorporate facts and laws and tested hypotheses"; "true in fact and theory"

(4)自然界のある側面の十分な裏付けがある説明

(5)ある特定の現象を説明するための様々な状況に応用する、一般に容認された知識の組織だった体系

(1)