Prague, Czech Republic

Logic

Logika

Table of contents

Logic at Charles University in Prague

Language: Czech Studies in Czech
Subject area: humanities
University website: www.cuni.cz
Years of study: 4

Definitions and quotes

Logic
Logic (from the Ancient Greek: λογική, translit. logikḗ), originally meaning "the word" or "what is spoken", but coming to mean "thought" or "reason", is a subject concerned with the most general laws of truth, and is now generally held to consist of the systematic study of the form of valid inference. A valid inference is one where there is a specific relation of logical support between the assumptions of the inference and its conclusion. (In ordinary discourse, inferences may be signified by words like therefore, hence, ergo, and so on.)
Logic
Logic: The art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding.
Ambrose Bierce (1911), The Devil's Dictionary
Logic
All men are mortal. Socrates was mortal. Therefore, all men are Socrates.
Woody Allen in his movie Love and Death cited in: Philip Nicholas Johnson-Laird (2006) How We Reason. p. 142
Logic
Logic is logic. That's all I say.
Oliver Wendell Holmes (1919), The One-Hoss Shay
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