Abstract
IN connection with recent endeavours to place the teaching of geometry on the best possible basis, much interest attaches to Dr. Mach's attempt to trace the order in which geometrical facts first made themselves known in the natural order of evolution.
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The Psychology and Natural Development of Geometry . Nature 67, 524 (1903). https://doi.org/10.1038/067524a0
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DOI: https://doi.org/10.1038/067524a0