Appendix. Scientiam Spatii Absolute Veram exhibens: a veritate aut falsitate Axiomatis XI Euclidei (a priori haud unquam decidenda) independentem: adjecta ad casum falsitatis, quadratura circuli geometrica. [in:]BÓLYAI, Farkas. Tentamen Juventutem Studiosam in Elementa Matheseos Purae. Tomus primus [-secundus].
Maros Vásárhely [now Târgu Mureș, Romania]: Joseph and Simon Kaili, at the press of the Reform College, 1832-1833. First edition, the finest and most complete copy ever likely to come to the market, of “the most extraordinary two dozen pages in the history of thought” (Halsted), containing the independent foundation..... More
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