Safety principles in epistemology are often hailed as providing us with an explanation of why we fail to have knowledge in Gettier cases and lottery examples. while at the same time allowing for the fact that we know the negations of sceptical hypotheses. In a recent paper. Sinhababu and Williams have produced an example-the Backward Clock-that is meant to spell trouble for safety acc... https://www.diegojavierfares.com/amazing-price-Kicker-48CDF104-Comp-10-Down-Firing-Loaded-Subwoofer-Enclosure-special-find/