This work, a follow up to his enormously successful 1724 book, Logic (also available from Cosimo) was first published in 1741. In this replica 1837 edition, discover.rn rn . Directions for the attainment of useful knowledgern . The different modes of learning compared: observation, reading, instruction, conversation, and studyrn . Notes on learning a foreign languagern . Dealing with disputes in a logical wayrn . Enlarging the capacity of the mind and improving the memoryrn . Overcoming prejudicesrn . And much more.