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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

15 results for "Philosophical Investigations"

P_5_09 Verified Philosophy & Meaning

P_5_09 — Wittgenstein: Language Games, Tractatus, and Investigations

Ludwig Josef Johann Wittgenstein (1889-1951) is unique in the history of philosophy for having produced two profoundly influential but largely incompatible philosophical systems. His first major work, the Tractatus Logic

Wittgenstein Ludwig Wittgenstein Tractatus Logico-Philosophicus Philosophical Investigations language games picture theory
P_5_05 Verified Philosophy & Meaning

P_5_05 — Philosophy of Language

The philosophy of language asks: How do words and sentences get their meaning? How does language connect to reality? Can thought exist without language? Is meaning determined by the speaker's intention, by social convent

philosophy of language meaning reference sense Frege Russell
K_1_09 Credible Consciousness

K_1_09 — Philosophical Zombies and the Hard Problem

The philosophical zombie (p-zombie) thought experiment, formalized by David Chalmers (1996), asks: Could there exist a being physically and functionally identical to a conscious human — identical atom for atom, processin

philosophical zombie p-zombie hard problem of consciousness David Chalmers explanatory gap qualia
V_1_20 Credible Mathematics & Information

V_1_20 — The History of Zero: Independent Invention & Philosophical Implications

The concept of zero — seemingly trivial yet profoundly revolutionary — was independently invented multiple times across civilizations, and its full development as both a placeholder (indicating an empty position in posit

zero history-of-mathematics placeholder india maya babylon
G_3_14 Verified Modern Frameworks

G_3_14 — Simulation Argument — Philosophy, Physics, and Testability

The Simulation Argument — formally presented by philosopher Nick Bostrom (2003, Philosophical Quarterly) — is not the claim that we live in a computer simulation, but rather a trilemma: at least one of the following thre

simulation argument simulation hypothesis Bostrom ancestor simulation computational universe digital physics
P_3_09 Verified Philosophy & Meaning

P_3_09 — Nihilism, Absurdism, and Camus

Nihilism — from Latin nihil ("nothing") — is the philosophical position that life, existence, and values lack objective meaning, purpose, or intrinsic worth. It is not a single doctrine but a cluster of related positions

nihilism absurdism Albert Camus Friedrich Nietzsche Myth of Sisyphus absurd
P_1_17 Credible Philosophy & Meaning

P_1_17 — Artificial Intelligence and the Consciousness Question

The question of whether artificial systems can possess consciousness — genuine subjective experience, phenomenal awareness, or "something it is like" to be that system (Thomas Nagel, 1974) — has moved from philosophical

artificial-intelligence machine-consciousness chinese-room hard-problem large-language-models sentience
P_1_04 Credible Philosophy & Meaning

P_1_04 — Free Will: Determinism, Compatibilism, and Libertarianism

The free will debate is central to the meaning of human existence: Are we the authors of our choices, or is every decision the inevitable consequence of prior causes? Three major positions dominate: (1) Hard determinism

free will determinism compatibilism libertarianism philosophical Libet neuroscience
P_5_07 Verified Philosophy & Meaning

P_5_07 — Hermeneutics and Interpretation Theory

Hermeneutics — the theory and practice of interpretation — originated in biblical and classical textual criticism but expanded through the 19th and 20th centuries into a comprehensive philosophical framework addressing h

hermeneutics interpretation understanding Schleiermacher Dilthey Gadamer
P_3_06 Verified Philosophy & Meaning

P_3_06 — Plato — Forms, Cosmology, and the Philosophical Tradition

Plato (428/427–348/347 BCE) is the foundational figure of Western philosophy, whose dialogues established the frameworks for metaphysics (Theory of Forms), epistemology (knowledge as recollection), political philosophy (

Plato Platonic philosophy Theory of Forms Timaeus allegory of the cave Republic
P_4_08 Verified Philosophy & Meaning

P_4_08 — Ubuntu and African Philosophical Traditions

African philosophy encompasses a rich and diverse family of intellectual traditions far too often overlooked in global philosophical discourse. Ubuntu — "I am because we are" (umuntu ngumuntu ngabantu) — is the most wide

Ubuntu African philosophy Yoruba Ori Akan Sankofa
P_1_02 Verified Philosophy & Meaning

P_1_02 — Philosophical Frameworks for the Meaning of Life

"What is the meaning of life?" is perhaps the oldest philosophical question. Across 2,500+ years of systematic philosophy, four major positions have emerged: (1) Objective meaning — life has a purpose built into reality

meaning of life existentialism absurdism nihilism logotherapy Camus
I_2_05 Verified UAP Disclosure

I_2_05 — International UAP Programs (GEIPAN, COMETA, CEFAA, and Global Investigations)

While the United States has received the most attention for UAP investigation, numerous other nations have operated — and in several cases continue to operate — official government programs to study unidentified aerial p

GEIPAN COMETA CEFAA international UAP France Chile
V_2_20 Verified Mathematics & Information

V_2_20 — Gödel's Incompleteness Theorems — Philosophical Implications

Kurt Gödel's incompleteness theorems, published in 1931 in the paper "Über formal unentscheidbare Sätze der Principia Mathematica und verwandter Systeme I," constitute one of the most profound results in the history of l

Gödel incompleteness undecidability consistency mathematical truth Hilbert program
G_3_18 Credible Modern Frameworks

G_3_18 — Hermeneutics and the Interpretation of Ancient Texts

Hermeneutics — the theory and methodology of interpretation — addresses the fundamental problem confronting all study of ancient texts: how can modern readers recover meaning from documents produced in radically differen

hermeneutics textual-interpretation schleiermacher gadamer ricoeur hermeneutic-circle