5. Spinoza's endnotes are shown thus . The letter is taken from Curley, see Note 3.
6. Search strings are enclosed in square brackets; include brackets.
7. HTML versions of "On the Improvement of the Understanding" are published in the Books On-Line Web Pages; ttp://www.cs.cmu.edu/books.html and they include: http://www.physics.wisc.edu/~shalizi/Spinoza/TIE/ http://www.erols.com/jyselman/teielwes.htm
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