For Pierre Bourdieu's book Distinction see La distinction.
Distinction is the fundamental abstraction.
Cybernetics deals with the rational paradox of self-reference by distinguishing it from hetero-reference in the abstract distinction. The distinction is prefaced by the 'proemial relation' (terminally coined by Gotthard Gunther in his 1970 "Cognition and Volition") between Subjectivity and Profundity which, by the mark of distinction, are distinguished.
George Spencer-Brown's calculus of indication (the Laws of Form) starts will the injunction "Draw a distinction." The consequences of this primordial actuality include all given dimensionality and time.