What is state of being external; exteriority; (Metaph.) separation from the perceiving mind. Pressure or resistance necessarily supposes externality in the thing which presses or resists. A. Smith called?

externality — State of being external; exteriority; (Metaph.) separation from the perceiving mind. Pressure or resistance necessarily supposes externality in the thing which presses or resists. A. Smith. (Webster's 1913.)

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