The Gallery Logic Shahab al-Din Suhrawardi Fakhr al-Din al-Razi Farabi A.C. Grayling Philosopher Pauli Pylkkö Friedrich Daniel Ernst Schleiermacher George Croom Robertson Immanuel Kant Paul Janet Johann Friedrich Herbart Robert S. Hartman Al-Ghazali Charles De Koninck Peter Abelard Richard Sylvan Zhang Dongsun Feng Youlan Calvin Normore David Wiggins Jonathan Westphal James Ward Alfred North Whitehead Susan Stebbing 7 8 9 10 11 12 13 14