This thinker was influenced by Anne Conway’s “spirit particles” to write a book that calls perception mechanically inexplicable, and compares a thinking machine to the inside of a mill. This thinker’s law states that two objects (10[1])that share all their properties cannot be distinct; that law is also called the identity of indiscernibles. This thinker described “windowless” particles in the book Monadology (10[1])(“moh-NAH-daw-logy”). Voltaire (10[1])satirized (10[1])this thinker (10[1])as the optimistic Dr. (10[1])Pangloss in Candide (“can-DEED”) due to his (10[1])claim that “we live in the best of all possible (-5[1])worlds.” (-5[1])For 10 points, the use of dx (“dee-ex”) in derivative notation was developed by what German (10[1])thinker, (10[1])who discovered calculus independently of Newton? ■END■ (10[1])