RESEARCH BASE

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

3,721 documents 34 sections 43,623 citations 34,854 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.

1,297 results for "da Vinci" — page 51 of 65

P_1_20 Credible Philosophy & Meaning

P_1_20 — Epistemology & Theory of Knowledge

Epistemology — the branch of philosophy concerned with the nature, sources, structure, and limits of knowledge — is one of the oldest and most persistent areas of philosophical inquiry. The central question "What can we

epistemology justified true belief Gettier problem empiricism rationalism foundationalism
P_1_13 Verified Philosophy & Meaning

P_1_13 — Paradoxes in Philosophy: Zeno, Liar, Ship of Theseus, Sorites

A paradox is an argument that proceeds from apparently acceptable premises via apparently valid reasoning to a conclusion that is apparently unacceptable — forcing us either to reject a premise, identify a flaw in the re

paradox Zeno Achilles and tortoise dichotomy liar paradox Ship of Theseus
P_1_11 Verified Philosophy & Meaning

P_1_11 — The Demiurge: Creator God in Philosophy and Religion

The Demiurge (from Greek dēmiourgos, "craftsman" or "artisan") is a concept of a divine creator figure responsible for fashioning the physical universe, most famously developed in Plato's dialogue Timaeus (~360 BCE) and

demiurge Plato Timaeus Gnosticism creator craftsman
P_1_05 Philosophy & Meaning

P_1_05 — Gödel's Incompleteness and Limits of Knowledge

In 1931, Kurt Gödel proved two theorems that shattered the foundations of mathematics and permanently altered humanity's understanding of knowledge, truth, and proof. The FIRST INCOMPLETENESS THEOREM states: in any consi

Gödel incompleteness theorem undecidable unprovable consistency
P_1_07 Philosophy & Meaning

P_1_07 — Deep Time and Cognitive Limits

This document examines Deep Time and Cognitive Limits, a topic within the Philosophy Meaning research area. Key areas of investigation include Origins of the Concept, The Scale Problem, The "Human Line" Problem. The anal

deep time John McPhee James Hutton Silurian Hypothesis Gavin Schmidt Adam Frank
P_5_01 Philosophy & Meaning

P_5_01 — Is Mathematics Discovered or Invented?

One of the oldest and most consequential questions in philosophy: Does mathematics exist independently of human minds (Platonism), or is it a human invention — a language we construct to describe patterns (formalism/cons

mathematical platonism formalism intuitionism Gödel Wigner unreasonable effectiveness
P_5_05 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
P_5_11 Verified Philosophy & Meaning

P_5_11 — Spinoza: Substance Monism, Ethics as Geometry, Conatus

Baruch (Benedict) de Spinoza (1632-1677), a Dutch philosopher of Portuguese-Jewish origin, constructed one of the most radical and rigorous metaphysical systems in the history of philosophy — presented in his masterwork,

Spinoza Baruch Spinoza Benedict Spinoza substance monism Ethics Deus sive Natura
P_5_14 Verified Philosophy & Meaning

P_5_14 — African Philosophy Beyond Ubuntu: Sage, Négritude, and Ethnophilosophy

African philosophy extends far beyond the Ubuntu concept most familiar to Western audiences. It is a diverse, complex, frequently contested field encompassing multiple traditions, methods, and debates. The "Great Debate"

African philosophy sage philosophy négritude ethnophilosophy Ubuntu Paulin Hountondji
P_5_06 Philosophy & Meaning

P_5_06 — Philosophy of Mathematics

The philosophy of mathematics investigates the nature of mathematical objects, the status of mathematical truth, and the relationship between mathematics and the physical world. The fundamental question is: Are mathemati

philosophy of mathematics mathematical realism Platonism mathematics nominalism formalism logicism
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_5_02 Philosophy & Meaning

P_5_02 — Computational Phylogenetics of Mythology

This document examines Computational Phylogenetics of Mythology, a topic within the Philosophy Meaning research area. Key areas of investigation include The Traditional Approach: Comparative Mythology, The Biological Ana

phylogenetics mythology Yuri Berezkin Julien d'Huy Michael Witzel Laurasian
P_2_13 Verified Philosophy & Meaning

P_2_13 — Philosophy of Biology: Teleology, Species Concepts, and Function

The philosophy of biology examines the conceptual foundations, explanatory structures, and ontological commitments of the biological sciences — asking questions that biology itself presupposes but does not typically addr

philosophy of biology species concept biological species teleology function natural selection
P_2_03 Verified Philosophy & Meaning

P_2_03 — Virtue Ethics

Virtue ethics — the moral theory centered on character rather than rules (deontology) or consequences (consequentialism) — asks not "What should I do?" but "What kind of person should I be?" Its roots lie in Aristotle's

virtue ethics Aristotle Nicomachean Ethics eudaimonia phronesis practical wisdom
P_2_01 Philosophy & Meaning

P_2_01 — The Problem of Evil and Theodicy

The Problem of Evil is the oldest and most potent objection to the existence of an omnipotent, omniscient, benevolent God. First formulated rigorously by Epicurus (~300 BCE): "If God is willing to prevent evil but unable

theodicy problem of evil Epicurus Leibniz free will moral evil
P_2_14 Verified Philosophy & Meaning

P_2_14 — Philosophy of Action: Agency, Intention, and Collective Action

The philosophy of action investigates the nature of human agency — what it means to act (as opposed to merely moving), what makes an action intentional, how reasons relate to causes, and how individual agency extends to

philosophy of action agency intention intentional action free will reasons
ZE_5_15 Verified Ethics & Applied Philosophy

ZE_5_15 — Ethics of Disability: Social Models, Access, and Inclusion

The ethics of disability has been transformed over the past five decades by the shift from the medical model — which defines disability as individual pathology to be cured or managed — to the social model — which defines

disability disability ethics social model medical model access inclusion
ZE_5_16 Verified Ethics & Applied Philosophy

ZE_5_16 — Climate Change Ethics: Responsibility, Justice, and Future Generations

Climate change ethics addresses the moral dimensions of anthropogenic global warming — a problem characterized by radical asymmetries of cause and effect, temporal scale, and vulnerability. The nations most responsible f

climate ethics climate justice intergenerational justice climate debt loss and damage carbon budget
ZE_5_14 Verified Ethics & Applied Philosophy

ZE_5_14 — Ethics of Promise and Contract: Trust, Binding Words, and Obligation

Promise-keeping is among the most fundamental moral obligations — yet its philosophical basis is surprisingly elusive. Why does uttering certain words ("I promise") create a binding moral obligation? The question has gen

promise contract obligation trust fidelity promissory obligation
ZE_5_04 Verified Ethics & Applied Philosophy

ZE_5_04 — Hindu Ethics: Dharma, Karma, Ahimsa, and Varnashrama

Hindu ethics — rooted in the vast textual traditions of the Vedas, Upanishads, Dharmasutras, Epics (Mahabharata, Ramayana), and Puranas — constitutes one of the world's most ancient and internally diverse ethical systems

Hindu ethics dharma karma ahimsa varnashrama Bhagavad Gita