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  1. en.wikipedia.org › wiki › PiPi - Wikipedia

    5 天前 · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...

  2. 3 天前 · A theory of mind includes the knowledge that others' beliefs, desires, intentions, emotions, and thoughts may be different from one's own. [1] Possessing a functional theory of mind is crucial for success in everyday human social interactions. People utilize a theory of mind when analyzing, judging, and inferring others' behaviors.

  3. en.wikipedia.org › wiki › OntologyOntology - Wikipedia

    2024年5月23日 · v. t. e. In metaphysics, ontology is the philosophical study of being. It investigates what types of entities exist, how they are grouped into categories, and how they are related to one another on the most fundamental level (and whether there even is a fundamental level). [1]

  4. en.wikipedia.org › wiki › MetaphysicsMetaphysics - Wikipedia

    4 天前 · For other uses, see Metaphysics (disambiguation). The beginning of Aristotle's Metaphysics, one of the foundational texts of the discipline Metaphysics is the branch of philosophy that examines the basic structure of reality. It is often characterized as first philosophy, implying that it is more fundamental than other forms of philosophical ...

  5. en.wikipedia.org › wiki › PhilosophyPhilosophy - Wikipedia

    4 天前 · Philosophy (φιλοσοφία, 'love of wisdom', in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, value, mind, and language. It is a rational and critical inquiry that reflects on its own methods and assumptions. Historically, many of the individual sciences ...

  6. en.wikipedia.org › wiki › PsychologyPsychology - Wikipedia

    2024年5月24日 · Etymology and definitions The word psychology derives from the Greek word psyche, for spirit or soul.The latter part of the word psychology derives from -λογία -logia, which means "study" or "research". The word psychology was first used in the Renaissance. In its Latin form psychiologia, it was first employed by the Croatian humanist and Latinist Marko Marulić in his book Psichiologia ...

  7. 1 天前 · Non-fungible token. Illustration of a non-fungible token generated by a smart contract (a program designed to automatically execute contract terms) A non-fungible token ( NFT) is a unique digital identifier that is recorded on a blockchain and is used to certify ownership and authenticity. It cannot be copied, substituted, or subdivided. [1]