Internet version of the
Universal Encyclopedia of Philosophy

A

Abelard Pierre
Abhidharma
Abhinavagupta
Abicht Jan Henryk
Abiogenesis
Abortion
Abraham Ibn Daud
Abraham Ibn Ezra
Abramowski Edward
Abraxas
Abrek Andrzej
Absolute
Absolutism
Abstraction
Absurd
Abubacer
Abulia
Ab esse ad posse
Academy of Bessarion
Academy Florentine
Academy of Krakow
Academy, Plato's
Academy, Roman Platonic
Academy of Vilnius
Academy of Zamosc
Accident
Achillini Alessandro
Act, human
Actio-Passio
Act and potency
Act, pure
Adam of Brzezin
Adam of Buckfield
Adamczyk Stanislaw
Adam Qadmon
Adelard of Bath
Adler Alfred
Adorno Teodor Wiesengrund
Advaitavedanta
Advayavada
Aelred of Rievaulx
Aenesidemus of Knossos
Aeschylus
Aestimativa vis
Aeterni Patris
Affection
Agnosticism
Agostino Nipho
Ahimsa
Ahrens Heinrich
Ailly Pierre
Ajdukiewicz Kazimierz
Ajivika
Ajnanika
Akriyavada
Al-Amiri
Al-Ashari
Al-Baghdadi
Al-Kindi
Alain de Lille
Albert Hans
Alberti Leone Battista
Albertism
Albert of Saxony
Albert the Great
Albinus of Smyrna
Alchemy
Alcher of Clairvaux
Alcmaeon
Alcuin
Alembek Walerian
Alembert Jean Baptiste
Alexander Neckham
Alexander of Aegae
Alexander of Alexandria
Alexander of Aphrodisia
Alexander of Hales
Alexander Samuel
Alexandrian philosohy
Alexandrism
Al-Farabi
Alfred of Sareshel
Al-Gazali
Algebra, boolean
Algorithm
Al-Hazen
Alienation
Alquie Ferdinand
Alternative
Althusius Johannes
Amaury of Bene
Ambition
Amida
Amidism
Ammonius Saccas
Amoralism
Ampere Andre Marie
Analogy
Analysis
Analitic philosophy
Anamnesis
Anarchism, epistemological
Anatman
Anaxagoras of Clazomenae
Anaximander
Anaximenes of Miletus
Ancilla theology
Andrew of Buk
Andrew Galka of Dobczyn
Andrew Grzymala of Poznan
Andrew of Kokorzyn
Andrew of Labiszyn
Andrew of Malbork
Andrew Ruczel of Koscian
Andrew Wezyk
Andronicus of Rhodes

Angel in philosophy
Angelus Silesius
Animism
Annihilation
Anomia
Anselm of Canterbury
Antepredicaments
Anthropic principle
Anthropic universe
Anthropocentrism
Anthropology
Anthropomorphism
Anthroposophy
Anti-art
Antichrist
Antiessentialism
Anti-inductionism
Antimatter
Antimechanicism
Antinomianism
Antinomy
Antioch school
Antiochus Ascalon
Antipedagogy
Antiphon the Sophist of Athens
Antireductionism
Antisthenes of Athens
Antoni Andrew
Anviksiki
Apathy
Apeiron
Apelles
Apocatastasis
Apodictic knowledge
Apoha
Apollinaris of Laodicea the Younger
Apollodorus of Phaleron
Apollonius of Tyana
Apperception
A priori in philosophy
A priori—a posteriori
Apriorism
Apuleius of Madaura
Aquarius Matthias
Aralkielowicz Gregory
Arhant
Arche
Archelaus of Athens
Archesilaos of Pitane
Archetype
Archimedes
Archon
Archytas of Tarentum
Arendt Hannah
Arete
Aretology
Argumentation
Argumentum Anselmi
Argyropuros John
Aristarchus of Samos
Aristides
Aristippus of Cyrene
Aristobulus
Aristocles
Ariston of Chios
Aristotelianism
Aristotle
Aristoxenus of Tarentum
Arius
Armstrong David Malet
Arnauld Antoine
Arnobius the Elder
Arriaga Rodriguez
Artes Liberales
Asanga
Asceticism
Asclepiades of Tralles
Assertion
Assertive Function
Astika
Astrology
Astronomy
Astrophysics
Athanasius of Alexandria
Atheism
Athenagoras of Athens
Atman
Atom
Atomism
Augustine
Augustine of Ancona
Augustinianism
Aum
Austin John
Austin John Langshaw
Autarchy
Authoritarianism
Authority
Automatism
Automaton
Autonomy
Avatar
Avempace
Avenarius Richard
Averroes
Averroism, Jewish
Averroism
Avicebron
Avicenna
Avidya
Axiom
Axiomatic
Axiomatic System
Axiomatization
Ayer Alfred Jules