C. D. Broad Review of Arnold Ruge <em>et al.</em>, <em>Encyclopaedia of the Philosophical Sciences</em>. Vol. 1. Logic articleReview of Arnold Ruge et al., Encyclopaedia of the Philosophical Sciences. Vol. 1. LogicC. D. BroadMind, vol. 24, no. 4, 1914, pp. 473–5