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In page Gottfried Wilhelm Leibniz:

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Leibniz variously invoked one or another of seven fundamental philosophical Principles:[1]

  • Sufficient reason. "There must be a sufficient reason for anything to exist, for any event to occur, for any truth to obtain."[2]
  • Pre-established harmony.[3][a] "[T]he appropriate nature of each substance brings it about that what happens to one corresponds to what happens to all the others, without, however, their acting upon one another directly" (Discourse on Metaphysics, XIV).[citation needed] A dropped glass shatters because it "knows" it has hit the ground, and not because the impact with the ground "compels" the glass to split.
  • Law of continuity. Natura non facit saltus[4][b][7][8] (lit.'Nature does not make jumps').