TY - JOUR AU - Hatfield, Gary IS - 4 JA - Isis PB - University of Chicago Press PY - 2012 TI - David Hyder. The Determinate World: Kant and Helmholtz on the Physical Meaning of Geometry. viii + 229 pp., bibl., index. Berlin/New York: Walter de Gruyter, 2009. $105 VL - 103 ER -