Logical Investigations (Husserl)
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| Author | Edmund Husserl |
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| Original title | Logische Untersuchungen |
| Translator | J. N. Findlay |
| Country | Germany |
| Language | German |
| Subject | Logic, epistemology |
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| ISBN | (vol. 1) 978-0415241908 (vol. 2) |
Logical Investigations (German: Logische Untersuchungen) is a work of philosophy by Edmund Husserl, published in two volumes in 1900 and 1901, with a second edition in 1913 and 1921. In Logical Investigations, which resulted from a shift in Husserl's interests from mathematics to logic and epistemology, Husserl maintains that mathematical laws are not empirical laws that describe the workings of the mind, but ideal laws whose necessity is intuited a priori. Though Husserl abandoned psychologism, the doctrine according to which logical entities such as propositions, universals, and numbers can be reduced to mental states or activities, in Logical Investigations, some commentators have seen a revival of psychologism in its second volume. Logical Investigations helped to create phenomenology, and has been credited with making twentieth century continental philosophy possible. Martin Heidegger was among the philosophers influenced by the work. An English translation of the second edition, by philosopher J. N. Findlay, was published in 1970.
Between 1890 and 1900, Husserl's philosophical interests expanded from mathematics to a concern with logic and epistemology. Logical Investigations was the culmination of this development. In this work, Husserl gave a new account of mathematics, one opposed to his previous views, which had been influenced by the psychologism of the late 19th century. Husserl's view in Logical Investigations, which may have been influenced by Gottlob Frege's criticism of Husserl's Philosophy of Arithmetic (1891), was that mathematical laws are not empirical laws that describe the workings of the mind, but ideal laws whose necessity is intuited a priori.
In first volume, called Prolegomena to Pure Logic (Prolegomena zur reinen Logik), Husserl criticizes psychologism, the doctrine that logical entities such as propositions, universals, and numbers can be reduced to mental states or activities, insisting that such targets of consciousness are objective, and that the attempt to reduce them to activities of mind is incoherent.
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