Lexicon

Topic

Moral and Political Philosophy Aesthetics Christology Ecclesiology Epistemology Human Person Logic Metaphysics Moral Theology Philosophy of Nature

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Topic

Moral and Political Philosophy Aesthetics Christology Ecclesiology Epistemology Human Person Logic Metaphysics Moral Theology Philosophy of Nature

Accident
An attribute of a substance that does not belong directly to its nature.
Act
Perfection, completion, fulfillment, or realization. Although in many cases it is the terminus of a movement or actualization of a potency of some kind, it need not be. When it is not, perhaps it is b...
Action
The act of an agent or efficient cause.
Agent
The subject which performs an action; an efficient cause. E.g., a person who opens a door.
Animal
1. A being possessing a sensitive soul or a soul with sensitive powers, both for cognition (internal and external senses) and appetition (concupiscible and irascible appetites). 2. The genus to which...
Appetitive
Pertaining to the power to desire and its primordial acts of love and hatred. More broadly, the term is used also to refer to all of the passions elicited by the concupiscible and irascible appetites...
Atomism
(also called Mechanism) The doctrine according to which all bodies are wholly constituted by material elements (atoms) the same in substance but differing in shape, with the attributes of compound bod...
Body
A material substance; that which is extended in space; a composite of primary matter and substantial form. E.g., a human being, a horse, or a tree.
Causal
Pertaining to causes.
Cause
That upon which something depends in some way for being; the reason for something.

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