EXCERPT Everyone knows the Parmenidean tautology according to which being is and non-being is not. It is an irrefutable assertion. In establishing the law of identity, it lays the foundations of logic. It also harbours depths often masked by the dazzling self-evidence of its superficial meaning. And yet our lived experience contradicts this doctrine at every moment, as we are continually projected toward and traversed by absences, elsewheres, and inexistences.…