Succinctness
A semantics satisfies Succinctness iff no framework contains a redundant attack, i.e. an attack whose removal leaves the extensions of every framework containing it unchanged.
Reference
Gaggl, S.A. & Woltran, S. (2013). The cf2 Argumentation Semantics Revisited. Journal of Logic and Computation, 23(5), pp. 925–949.