TY - JOUR AB - Rezension: Zbl. Math. 1100.03006; MR 2055237 (2005:03004; J.W. Dauben). AU - Peckhaus, Volker ID - 17545 JF - History and Philosophy of Logic (Special Issue in Honor of Ivor Grattan-Guinness, hg. v. John W. Dawson, Jr.) TI - Calculus Ratiocinator vs. Characteristica Universalis? The Two Traditions in Logic, Revisted VL - 25 ER -