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

Division
The analysis or distribution of general classes of things into their subclasses. E.g., the class “animal” can be divided into the subclasses “rational animal” and “non-rational animal.” In classical...
Fallacy
An error in argument.
Formal Logic
(also called Minor Logic).— The division of logic that studies the form of valid argumentation. In the Aristotelian Organon, formal logic is treated in On Interpretation and the Prior Analytics. The...
Genus
1. Scholastic usage. A general class of things containing subclasses called species. Whether a given class is considered a genus can be relative. If it contains subclasses but is itself contained in a...
Inference
In essence, simply the act of argument or reasoning.
Intension / Extension
(also called Comprehension/Extension).— The distinction in logic between the intelligible notes of a term, i.e., its intension, and the things in reality that it is supposed to indicate, i.e., its ext...
Logic
The philosophical study of valid argumentation. According to many philosophers, logic is an art insofar as it aims at constructing valid arguments and a science insofar as it aims at a knowledge of th...
Logical
1. Pertaining to logic. 2. In many philosophical texts, a synonym for “mental.” For example, one will speak of “mental” or “logical” relations to refer to what are classically referred to as “relatio...
Material Logic
(also called Major Logic).— The division of logic that studies the relationship between valid argumentation and the acquisition of knowledge. It can also include the study of the methods of the variou...
Modal Logic
A kind of formal logic that studies arguments that contain modal propositions, i.e., propositions affected by modalities such as “necessarily” and “possibly.” Various forms of modal logic can be foun...

1 2 3 4 5

To support the work of the Encyclopedia of Catholic Theology, please consider making a tax-deductible contribution.

Current Operations Supported by:

The ECT Founder's Circle, a community of benefactors in Cape Girardeau, MO.
All of the gifts to the ECT Accelerator Campaign, a crowdfunding campaign launched on August 15th, 2024 and concluded on December 31st, 2024.

Encyclopedia of Catholic Theology

P.O. Box 1956
Cape Girardeau, MO 63702

contact@ect.org

Topic

Lexicon

Topic

Division

Fallacy

Formal Logic

Genus

Inference

Intension / Extension

Logic

Logical

Material Logic

Modal Logic

Current Operations Supported by: