"We have been sorely in need of a ground-up reassessment of Heidegger's radically innovative philosophy of logic. Greg Shirley has produced a breakthrough study, elegantly reconstructing the elements of Heidegger's transcendental account of the conditions on apophantic judgment, and showing its continued relevance to our contemporary logical paradigms. Shirley's book must finally put to rest the myth of Heidegger as an irrationalist opponent of logic." - Professor Wayne Martin, University of Essex, UK