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{ tcb }: sworn enemy
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{ tcb }: mathematical identity
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{ tcb }: dark matter
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{ tcb }: twin paradox
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{ tcb }: gravitational field
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{ tcb }: propulsion
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{ tcb }: electromagnetic field
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{ tcb }: spontaneous symmetry break
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{ tcb }: hysteresis
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{ tcb }: antisymmetric
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{ tcb }: congruent
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{ tcb }: catastrophe
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{ tcb }: automorphism
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{ tcb }: algebraic structure
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{ tcb }: binary operation
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{ tcb }: logarithm
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{ tcb }: isomorphism
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{ tcb }: axiomatic system
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{ tcb }: blastoff
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{ tcb }: prevalent subset
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{ tcb }: weierstrass elliptic function
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{ tcb }: guardian angel
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{ tcb }: differentiable curve
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{ tcb }: koch snowflake
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{ tcb }: blancmange curve
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{ tcb }: conic sections
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{ tcb }: euclidean geometry
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{ tcb }: insider trading
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{ tcb }: time delay of light
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{ tcb }: the grinch