 This definition presupposes a whole sequence of disciplines involved in the construction of a science, each of which is founded on the preceding one. The ultimate discipline in this sequence deals with the delimitation of sciences and the principles of style of scientific writing that should lead to the composition of a collection of scientific treatises forming an encyclopedia. Bolzano hoped that, following the Great Encyclopedia of Diderot and D’Alembert, the ideal of the Enlightenment, the effort to spread scientifically organized useful knowledge would again find its finest expression in the completion of an encyclopedia. In this way, the TS would contribute to the general well-being.