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Tag Archives: non-Euclidian geometries

GEOMETRIES OTHER THAN EUCLID’S PART 2

YESTERDAY, WE left geometry in a quandary. Mathematicians were trying to accommodate Euclid’s Fifth Postulate, the one about parallel lines, into 19th-century goals of mathematical rigor. Could it follow from … Continue reading

August 16, 2018 · 1 Comment