This implicit or virtual presence in experience in general, Kant calls their transcendental character, and the process of Explicating them is his famous Transcendental Deduction.
"The Approach to Philosophy"
Ralph Barton Perry
And this is the first of the two mention'd ways of Explicating Blackness.
"Experiments and Considerations Touching Colours (1664)"
Robert Boyle
But this Last way of Explicating Blackness, I shall content my Self to have Propos'd, without either Adopting it, or absolutely Rejecting it.
"Experiments and Considerations Touching Colours (1664)"
Robert Boyle