Gottlob Frege Quotes
Friedrich Ludwig Gottlob Frege was a 19th and early 20th-century German mathematician, logician, and philosopher, regarded as the founder of modern formal logic and one of the founders of analytic philosophy. His 1879 work Begriffsschrift introduced the system of formal predicate logic that has been the foundation of subsequent logic in mathematics, philosophy, computer science, and linguistics. The quotes below are attributed to Gottlob Frege, organized by topic.
Gottlob Frege on Knowledge
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Attributed to Gottlob Frege:
“Every good mathematician is at least half a philosopher, and every good philosopher is at least half a mathematician.”
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Attributed to Gottlob Frege:
“Never ask for the meaning of a word in isolation, but only in the context of a proposition.”
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Attributed to Gottlob Frege:
“A statement of number contains an assertion about a concept.”
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Attributed to Gottlob Frege:
“An arithmetician finds the rules for the calculation of numbers, but he does not invent them.”
Gottlob Frege on Mind
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Attributed to Gottlob Frege:
“Thoughts are objective; they are neither things in the external world nor ideas in the mind.”
Gottlob Frege on Truth
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Attributed to Gottlob Frege:
“The laws of truth are not psychological laws.”