Occam’s razor holds that the simplest explanation is closest to the truth. But the real world is quite complex ...

Lift is the critical aerodynamic force that keeps objects in the air. It opposes weight and helps keep an aircraft in the air ...

Anellis, Irving H. 2012. Editor’s Introduction to Jean van Heijenoort, Historical Development of Modern Logic. Logica Universalis, Vol. 6, Issue. 3-4, p. 301. 2012. Current Bibliography of the History ...

This copy was owned by John Hay Whitney until the 1980s when it was purchased by a private collector. Philosophiæ Naturalis Principia Mathematica, which translates to the "Mathematical Principles of ...

Mathematics had been partially unshackled from the physical world by the discovery of non-Euclidean geometrics in the nineteenth century, but the publication of Principia Mathematica in 1908 burst ...

the Philosophiae Naturalis Principia Mathematica. The book, which described Newton's theories on celestial motion and gravity, established his reputation throughout Europe as one of the greatest ...

A couple of decades later, Gottlob Frege with his "Begriffsshrift" and then Bertrand Russell and A.N. Whitehead with their ...

The Principia was not an easy book to read in Newton's day, nor is it now. After it was published, Newton was passed on the street by a student who is said to have remarked, "There goes the man ...

The Philosophiae Naturalis Principia Mathematica took Newton two years to write. It was the culmination of more than 20 years of thinking. It outlined his own theory of calculus, the three laws of ...

The second edition of Isaac Newton's Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) is published by the Press. The Principia contains Newton’s laws of ...

One of the founders of analytic philosophy and a Nobel Laureate, Russell's pupils included Wittgenstein, and his most influential work, Principia Mathematica, set out to show how mathematics was ...

They are labelled (on the fore-edges) 'Divinity', 'Chronology', 'Opticks' [1704] and 'Philo. Prin. Math' [Philosophiae Naturalis Principia Mathematica, 1686-7)]. With his left hand he points to a ...