Individual is#mathematical_systems_theory
  >part:  automata_theory
  >part of:  applied_mathematics__appliedmathematic__applied_math__appliedmath  the branches of mathematics that are involved in the study of of the physical or biological or sociological world
     >part of:  mathematics__math__maths__math  a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement

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