{"id":"mymindmine-knowledge-personal-identity-v1","slug":"personal-identity","domain":"philosophy","title":"Personal Identity","deck":"Questions about what makes a person the same person across time and what we mean when we ask who someone is.","directAnswer":"Personal identity covers several distinct questions, including what makes a person persist through time and which characteristics a person experiences as central to who they are.","mechanism":["Philosophical accounts distinguish numerical identity from qualitative similarity.","Psychological continuity, bodily continuity, memory, narrative, and other relations play different roles in competing theories.","Everyday identity language also concerns values, commitments, roles, history, and self-conception."],"whyItMatters":["Identity can be modeled as continuity without requiring every state or expression to be identical.","MyMindMine treats configuration changes as meaningful without assuming every configuration is a separate person."],"questions":["What makes someone the same person over time?","Is memory necessary for identity?","How is personal identity different from personality?"],"related":["memory","consciousness","agency","metacognition"],"sources":[{"label":"Stanford Encyclopedia: Personal Identity","url":"https://plato.stanford.edu/entries/identity-personal/","publisher":"Stanford Encyclopedia of Philosophy"}],"updated":"2026-09-20","canonicalUrl":"https://www.mymindmine.com/philosophy/personal-identity","author":{"name":"John Brajer","url":"https://www.mymindmine.com/people/john-brajer"},"publisher":"MyMindMine","knowledgeSystem":"MyMindMine Knowledge System v1","epistemicBoundary":{"externalSources":"Sources support the external factual orientation.","originalLayer":"Brajology and MyMindMine interpretations are original framework material and are not attributed to external sources."}}