Academic Skepticism See SKEPTICISM, SKEPTICS.

AC See APPENDIX OF SPECIAL SYMBOLS.

Abunaser See AL-FARABI.

absurdity See CATEGORY, REDUCTIO AD ABSURDUM.

act-content-object-psychology See ACT-OBJECT PSY-. CHOLOG.

act, propositional See INTENTIONALITY.

act, voluntary See ACTION THEORY.

action, basic See PHILOSOPHY OF ACTION.

action, philosophy of See ACTION THEORY.

acrasia See AKRASIA.

acquaintance, knowledge by See KNOWLEDGE BY. ACQUAINTANC.

acosmism a term formed in analogy to 'atheism,' meaning the denial...

Achilles paradox See ZENO's PARADOXES.

achievement verb See ACTION VERB.

accomplishment verb See ACTION VERB.

accidie (also acedia), apathy, listlessness, or ennui. This condition is problematic...

act-object distinction See BRENTANO, MEINONG.

act-object psychology also called act-contentobject psychology, a philosophical theory that identifies in...

act of commission See ACTION THEORY.

act of omission See ACTION THEORY.

actual infinite See ARISTOTLE.

activity verb See ACTION VERB.

active power See POWER.

active euthanasia See EUTHANASIA.

action verb a verb applied to an agent and describing an activity,...

act(ion)-type See ACTION THEORY, TYPE THEORY.

act(ion)-token See ACTION THEORY.

action theory the study of the ontological structure of human action, the...

action at a distance See FIELD THEORY.

actualist See MODAL LOGIC.