This digital edition of the complete works of Marie Jean Antoine Nicolas de Caritat, Marquis de Condorcet (1743-1794), based off the 1847 print edition by Firmin Didot Frères, present the intellectual legacy of one of the Enlightenment's most influential philosophers and mathematicians. This comprehensive collection encompasses Condorcet's groundbreaking contributions to probability theory, social mathematics, and political philosophy, including his visionary Esquisse d’un tableau historique des progrès de l’esprit humain, written while in hiding during the Terror.