Foundations of geometry different sets of axioms for Euclidean geometry, any of these can replace the Euclidean parallel postulate. The following partial list indicates some of these theorems that are of historical interest. Absolute geometry is a geometry based on an axiom system consisting of all the axioms giving Euclidean geometry except for the parallel postulate or any of its alternatives. The term was introduced by János Bolyai in 1832. It is sometimes referred to as neutral geometry, as it is neutral with respect to the parallel postulate. In Euclid's "Elements", the first 28 propositions and Proposition I.31 avoid using the parallel postulate,
The Oxford Textbook of Medicine Research in Health programme. The "Oxford Textbook of Medicine" is edited by: In total, there are 750 contributors to the textbook. The Oxford Textbook of Medicine The Oxford Textbook of Medicine is an international textbook of medicine. First published in 1983, it is now in its fifth edition. It is primarily aimed at mature physicians looking for information outside their area of particular expertise, but widely used as a reference source by medical students and doctors in training, and by others seeking authoritative accounts of the science and clinical practice of medicine. The "Oxford Textbook of Medicine" is available in