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Single Idea 6937

[filed under theme 2. Reason / A. Nature of Reason / 4. Aims of Reason ]

Full Idea

The object of reasoning is to find out, from the consideration of what we already know, something else which we do not know.

Gist of Idea

Reason aims to discover the unknown by thinking about the known

Source

Charles Sanders Peirce (The Fixation of Belief [1877], p. 7)

Book Ref

Peirce,Charles Sanders: 'Philosophical Writings of Peirce', ed/tr. Buchler,Justus [Dover 1940], p.7

A Reaction

I defy anyone to come up with a better definition of reasoning than that. The emphasis is on knowledge rather than truth, which you would expect from a pragmatist. …Actually the definition doesn't cover conditional reasoning terribly well.

The 15 ideas from 'The Fixation of Belief'

21492 Realism is basic to the scientific method [Peirce]
6598 We need our beliefs to be determined by some external inhuman permanency [Peirce]
6937 Reason aims to discover the unknown by thinking about the known [Peirce]
6939 What is true of one piece of copper is true of another (unlike brass) [Peirce]
6938 Natural selection might well fill an animal's mind with pleasing thoughts rather than true ones [Peirce]
6940 The feeling of belief shows a habit which will determine our actions [Peirce]
6941 We are entirely satisfied with a firm belief, even if it is false [Peirce]
6942 We want true beliefs, but obviously we think our beliefs are true [Peirce]
6943 A mere question does not stimulate a struggle for belief; there must be a real doubt [Peirce]
6944 Demonstration does not rest on first principles of reason or sensation, but on freedom from actual doubt [Peirce]
6945 Once doubt ceases, there is no point in continuing to argue [Peirce]
6946 If death is annihilation, belief in heaven is a cheap pleasure with no disappointment [Peirce]
6947 Metaphysics does not rest on facts, but on what we are inclined to believe [Peirce]
6948 Doubts should be satisfied by some external permanency upon which thinking has no effect [Peirce]
6949 If someone doubted reality, they would not actually feel dissatisfaction [Peirce]