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Thomas Reid's Discovery of a Non-Euclidean Geometry

Published online by Cambridge University Press:  14 March 2022

Norman Daniels*
Affiliation:
Tufts University

Abstract

Independently of any eighteenth century work on the geometry of parallels, Thomas Reid discovered the non-euclidean “geometry of visibles” in 1764. Reid's construction uses an idealized eye, incapable of making distance discriminations, to specify operationally a two dimensional visible space and a set of objects, the visibles. Reid offers sample theorems for his doubly elliptical geometry and proposes a natural model, the surface of the sphere. His construction draws on eighteenth century theory of vision for some of its technical features and is motivated by Reid's desire to defend realism against Berkeley's idealist treatment of visual space.

Type
Research Article
Copyright
Copyright © 1972 by The Philosophy of Science Association

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References

REFERENCES

[1] Berkeley, G. Works of George Berkeley Bishop of Cloyne. Vol. 1. Edited by A. A. Luce and T. E. Jessup. London: Thomas Nelson and Sons, 1953.Google Scholar
[2] Bonola, R. Non-Euclidean Geometry. A Critical and Historical Study of Its Development. Translated by H. S. Carslow. Chicago: Open Court Publishing Company, 1912.Google Scholar
[3] Cockle, J.On the Confluence and Bifurcations of Certain Theories.” Proceedings London Mathematical Society 20 (1889): 417; Nature 39 (1889): 521-523..Google Scholar
[4] Daniels, N. “Introduction” to Thomas Reid's Inquiry into the Human Mind. M.I.T. Press, forthcoming.Google Scholar
[5] Daniels, N.Thomas Reid's Discovery of a Non-Euclidean Geometry: A Case Study in the Relation Between Theory and Practice,” Ph.D. dissertation, Harvard University, 1970.Google Scholar
[6] Keil, J., ed. Elements of Euclid. London, 1733.Google Scholar
[7] Simson, R., trans. and ed. Elements of Euclid. 6th edition. Glasgow: R. and A. Faulis, 1781.Google Scholar
[8] Fraser, A. Thomas Reid. Edinburgh: Olephant, Anderson, and Ferrier, 1898.Google Scholar
[9] Malebranche, N. Search After Truth: or a Treatise of the Human Mind and of Its Management for Avoiding Error in the Sciences. Vols. 1 and 2. London: J. Dunton, 1694.Google Scholar
[10] Molyneaux, W. Dioptrica Nova: A Treatise of Dioptrick. London, 1692.Google Scholar
[11] Reid, T. Works, in Four Volumes. Stewart, Dugald, etc., Charlestown: Samuel Etheridge, Jr., 1813. (Inquiry into the Human Mind, in Volume 1).Google Scholar
[12] Sommerville, D. M. Y. Elements of Non-Euclidean Geometry. London: G. Bell and Sons, Ltd., 1914.Google Scholar