Introduction I: Philosophy and the perils of progress / Russell Blackford -- Introduction II: Philosophy on the inclined plane / Damien Broderick -- Coming out of the shade / Myisha Cherry -- What has philosophy ever done for us? / James Ladyman -- Progress and philosophy / Noretta Koertge -- Only connect / Frank Jackson -- Chmess, abiding significance, and rabbit holes / Peter Boghossian, James A. Lindsay -- Philosophy as the evocation of conceptual landscapes / Massimo Pigliucci -- Three barriers to philosophical progress / Jessica Wilson -- Is there progress in philosophy? : a brief case for optimism / Daniel Stoljar -- Is philosophy progressing fast enough? / Stuart Brock -- Does philosophical progress matter? / Richard Kamber -- Between gods and apes : on the lack of scientific and philosophical progress / Mark Walker -- Model-building in philosophy / Timothy Williamson -- Progress in philosophy and in the physical sciences : how far does the analogy hold? / Christopher Norris -- Philosophy as "intellectual war of values" / Stefan Lorenz Sorgner -- Re-imagining the philosophical conversation / Karen Green -- David Lewis and the kangaroo : graphing philosophical progress / Benj Hellle -- Philosophy, progress, and identity / Ward E. Jones.