Foundations of Mathematics and other Logical Essays (International Library of Philosophy) by Frank Plumpton Ramsey

Author:Frank Plumpton Ramsey [Ramsey, Frank Plumpton]
Language: eng
Format: epub
ISBN: 9781134528103
Publisher: Taylor and Francis
Published: 2013-10-15T00:00:00+00:00

VII

TRUTH AND PROBABILITY (1926)

To say of what is that it is not, or of what is not that it is, is false, while to say of what is that it is and of what is not that it is not is true.—Aristotle.

When several hypotheses are presented to our mind which we believe to be mutually exclusive and exhaustive, but about which we know nothing further, we distribute our belief equally among them . . . . This being admitted as an account of the way in which we actually do distribute our belief in simple cases, the whole of the subsequent theory follows as a deduction of the way in which we must distribute it in complex cases if we would be consistent.—W. F. Donkin.

The object of reasoning is to find out, from the consideration of what we already know, something else which we do not know. Consequently, reasoning is good if it be such as to give a true conclusion from true premises, and not otherwise,—C.S. Peirce.

Truth can never be told so as to be understood, and not be believed.—W. Blake.

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