RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
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.
591 results for "two chief world systems" — page 16 of 30
Y_3_09 — Prayer, Contemplation, and the Neuroscience of Religious Experience
The neuroscientific study of prayer and religious experience — sometimes termed neurotheology (d'Aquili & Newberg, 1999) — has moved from philosophical speculation to empirical investigation using neuroimaging, EEG, and
Y_3_06 — Awe, Wonder, and Transcendent Emotions
Awe — the emotional response to perceived vastness that requires accommodation (cognitive restructuring of existing mental schemas) — has emerged as a frontier topic in affective neuroscience, positive psychology, and ph
Y_3_07 — Music, Consciousness, and Altered States
Music is one of the most powerful modulators of conscious experience available without pharmacological intervention. Neuroimaging reveals that music engages an extraordinarily distributed network: auditory cortex (superi
Y_3_18 — Sensory Deprivation and Float Tank Research
Sensory deprivation — the deliberate reduction of external sensory stimulation — and its modern therapeutic form, flotation-REST (Restricted Environmental Stimulation Technique), have been studied since the 1950s as a me
Y_1_04 — Psychedelic Renaissance — Clinical Research and Consciousness
The psychedelic renaissance — a resurgence of rigorous scientific research on psychedelic substances after decades of prohibition — has produced some of the most significant findings in 21st-century psychiatry and consci
Y_1_06 — Psychedelic Research — Modern Science and Ancient Entheogen Parallels
Psychedelic research has undergone a dramatic revival since ~2006, with major studies at Johns Hopkins, Imperial College London, NYU, and MAPS demonstrating the therapeutic potential of psilocybin, MDMA, and ayahuasca/DM
Y_1_07 — Ego Dissolution and Psychedelic Neuroscience
Ego dissolution — the temporary loss of the subjective sense of self, personal boundaries, and the distinction between self and world — is among the most profound and therapeutically significant effects of serotonergic p
P_3_11 — Neoplatonism: Plotinus, Proclus, and the One
Neoplatonism is the philosophical and spiritual system founded by Plotinus (c. 204-270 CE) and elaborated by his successors — notably Porphyry (c. 234-305), Iamblichus (c. 245-325), and Proclus (412-485) — which reinterp
P_3_14 — Hegel: Dialectics, Phenomenology of Spirit, and Historical Reason
Georg Wilhelm Friedrich Hegel (1770-1831), the most ambitious and systematic philosopher of the German Idealist tradition, developed a comprehensive philosophical system in which reality, thought, and history are underst
P_3_10 — Skepticism and Pyrrhonism
Skepticism — the philosophical position that knowledge is uncertain, limited, or impossible — is one of the oldest and most persistent currents in philosophy. Ancient Pyrrhonian skepticism (Pyrrho, ~360–270 BCE; Sextus E
P_3_04 — Phenomenology — Consciousness and the Structure of Experience
Phenomenology, founded by Edmund Husserl at the turn of the 20th century, is the systematic study of the structures of consciousness and the phenomena that appear within it. Through its central methodological innovations
P_3_16 — Heidegger & Phenomenology
Martin Heidegger (1889–1976) is widely regarded as one of the most influential — and controversial — philosophers of the 20th century. His magnum opus, Sein und Zeit (Being and Time, 1927), transformed Western philosophy
P_4_16 — Buddhist Logic & Nagarjuna's Tetralemma
Buddhist logic represents one of the world's most sophisticated philosophical traditions, developing independently from and in some ways surpassing Aristotelian logic in its treatment of negation, paradox, and the limits
P_4_06 — Buddhist Philosophy — Dependent Origination, Non-Self, and Emptiness
Buddhist philosophy — developed from the teachings attributed to Siddhārtha Gautama (c. 5th century BCE) and elaborated over 2,500 years across diverse Asian cultures — offers one of the most rigorous philosophical analy
P_4_01 — Death and the Afterlife Across Cultures
Every known human culture has developed beliefs about what happens after death — making afterlife cosmology one of the most universal features of human thought. The major frameworks include: judgment and reward/punishmen
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
P_5_13 — Leibniz: Monads, Theodicy, and Pre-Established Harmony
Gottfried Wilhelm Leibniz (1646–1716) was among the most versatile intellects in Western history — a mathematician, philosopher, logician, diplomat, jurist, historian, and engineer who co-invented the infinitesimal calcu
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
P_5_08 — Philosophy of History
Philosophy of history asks whether history has a pattern, direction, or meaning — and how historical knowledge itself is possible. Two broad orientations have competed since antiquity: cyclical views (civilizations rise
P_2_09 — Cosmopolitanism and Global Ethics
Cosmopolitanism — from the Greek kosmopolitēs ("citizen of the world") — is the philosophical tradition asserting that all human beings belong to a single moral community regardless of nationality, ethnicity, or culture.
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