%0 Journal Article %T From Abstract Rewriting Systems to Abstract Proof Systems %A Clemens Grabmayer %J Computer Science %D 2009 %I arXiv %X Some personal recollections on the introduction of `abstract proof systems' as a framework for formulating syntax-independent, general results about rule derivability and admissibility. With a particular eye on the inspiration I owe to Roel de Vrijer: the analogy with abstract rewriting systems. %U http://arxiv.org/abs/0911.1412v2