De Motu (Berkeley's Essay)
De Motu (on Motion) is an essay written by George Berkeley and published in 1721. Its full title is De Motu or The Principle and Nature of Motion and the Cause of the Communication of Motions. The essay was unsuccessfully submitted for a prize that had been offered by the Royal Academy of Sciences at Paris.
Berkeley rejected Sir Isaac Newton's absolute space, time and motion. With this essay, Berkeley is considered to be the "precursor of Mach and Einstein."
Read more about De Motu (Berkeley's Essay): Concrete and Abstract Motion, Principles or Causes of Motion, Nature of Motion, Motion in Space, Communication of Motion