نظرية

In a sentence

• لقد درست نظرية النسبية في الفيزياء.

  I have studied the theory of relativity in physics.

  Here, the word 'نظرية' is used to describe a formal scientific theory that explains phenomena in the field of physics.

• تقوم نظرية اللعبة بتحليل قرارات اللاعبين.

  Game theory analyzes the decisions of players.

  In this context, the word 'نظرية' refers to 'game theory,' a systematic study of strategic interactions.

• هناك نظرية تقول إن البشر يفضلون التعاون على المنافسة.

  There is a theory that suggests humans prefer cooperation over competition.

  Within this sentence, 'نظرية' is used to denote a conceptual idea or hypothesis put forth to explain human behavior.