a branch of philosophy that deals with abstract concepts such as existence or reality
形而上学
a system of thought that considers life as meaningless and rejects religious beliefs, moral principles, legal rules, etc.
ニヒリズム
the doctrine that the best measure or decision is the one that satisfies the majority of people
功利主義
an ancient Greek philosophy that values virtue and encourages living in harmony with nature's divine Reason
ストイック哲学
a philosophical concept or belief system that asserts the self as the only reality and that only the individual's mind is sure to exist
唯我論
the branch of philosophy that is concerned with concepts such as existence, being, and reality
存在論
a philosophical theory asserting that all of reality is fundamentally unified and derived from a single substance or principle
一元論
a philosophy that emphasizes individual rights, reason, and laissez-faire capitalism
客観主義
a notion in philosophy according to which knowledge, moral values, and ethical obligations are subjective and there is no external or objective truth
主観主義, 主観性
the belief that life is inherently meaningless, yet individuals can create their own meaning
不条理主義, アブサード
the study of purpose, design, and final causes in the natural world, exploring the idea that things have inherent goals or intentions
テレオロジー, 目的論
the philosophy illustrating the core acknowledgment of one's existence through the act of thinking
コギト, 思考
a fundamental, indivisible entity or substance, often associated with Leibnizian philosophy, possessing inherent characteristics and reflecting the entire universe from its unique perspective
モナド, 分割できない実体
a philosophical movement that emerged in the late 19th and early 20th centuries, emphasizing the practical consequences and real-world effectiveness of beliefs, theories, and actions
プラグマティズム
a philosophical term referring to the intrinsic nature of a thing, independent of human perception, in contrast to phenomena which are how things appear to human observers
ノエメノン, ヌーメノン
the belief that events and outcomes are predetermined and inevitable, with little or no control by individuals
運命論
a fundamental belief or principle that is central to a system of thought, philosophy, or religion
原則, 信条