A Quantum (n.) is by its very concept expulsion beyond itself — not merely something that can be increased or decreased ad infinitum.
6 definitions
Quantum (n.) not only can go beyond every determinate magnitude, Hegel says; it is posited that it must alter, and in that move from can to must he sees contradiction.
A Quantum (n.) is external to itself, and this self-externality is its quality — in it, the quantitative and the qualitative are united.
A Quantum (n.) is a self-negating determinateness that relapses into the infinite progress; the infinite quantum restores quality.
A Quantum (n.) physics lets one cheat "in reality": a particle borrows energy from the future and pays it back with its annihilation before the system notices — the gap between brute reality and its registration in the big Other.
The Quantum (n.) is the signature of a structure: change arrives in jumps, with no intermediate states in between.