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The branch of six-dimensional physics describing how objects move and change through the combined manifold of space, time, probability, and initial conditions. In 6D mechanics, every object has a trajectory determined not just by its current position and momentum (3D), not just by its evolution through time (4D), not just by its probability branch (5D), but by its complete initial state—the full specification of its beginning. This mechanics explains why systems with identical current states can evolve differently if their initial conditions differed (the paths converged temporarily but will diverge again). It explains why history is encoded in present behavior—the initial conditions are still active, still shaping motion. And it explains why prediction requires knowing not just where something is now, but where it started.
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