<p xss=removed>The adoption of a generic contrariness notion in <span xss=removed>ASPIC+ substantially enhances its expressiveness </span><span xss=removed>with respect to other formalisms for structured argumentation. </span><span xss=removed>In particular, it opens the way to </span><span xss=removed>novel investigation directions, like the use of multivalued </span><span xss=removed>logics in t
