Georg Cantor / Ludwig Wittgenstein / Robert Sanderson / John Wyclif / Frank Plumpton Ramsey / Giuseppe Peano / Ramón Llull / Francis Herbert Bradley / Étienne Bonnot de Condillac / John Locke / Gottfried Wilhelm Leibniz / Jan Lukasiewicz / John Scottus Eriugena / Johannes Clauberg / Johann Heinrich Lambert / Leonhard Euler / Christian Wolff / Robert Holkot / William Hamilton / Georges Dalgarno / Georg Wilhelm Friedrich Hegel / Johann Georg Walch / Peter Abelard / Joseph Diaz Gergonne / Peter Aureoli / Adam Parvipontanus / Johann Franz Budde / William Heytesbury / Andreas Rüdiger / John Poinsot / Kurt Gödel / Ernst Zermelo / John Philoponus / Philipp Melanchthon / Andreas Segner / Arnold Geulincx / John Venn / Pedro da Fonseca / Roger Bacon / Thomas Hobbes / John Duns Scotus / Nicolas Malebranche / Juan Caramuel / John Wallis / Bertrand Russell / Antoine Arnauld / Richard Whateley / Georg Friedrich Meier / Gottfried Ploucquet / Joachim Georg Darjes / Thomas Bradwardine / Jacques Herbrand / Lewis Carroll / Augustus De Morgan / Franco Burgersdijk / Walter Burley / Bernard Bolzano / Lorenzo Valla / Petrus Ramus / Sebastián Izquierdo / William Stanley Jevons / Marius Victorinus / William Whewell / Friedrich Adolf Trendelenburg / Ernst Schröder / Edmund Husserl / Raul Corazzon / Wilhelm Risse / Johann Peter Reusch / Samuel Taylor Coleridge / Robert Kilwardby / John Buridan / Joachim Jungius / Al Kindi / Charles Saunders Peirce / Christian Thomasius / Hugh MacColl / Vincent Ferrer / Richard Billingham / /