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of the highest order, yet owing to Copernicus
not having the skill that Ptolemy had in
framing hypotheses, the system, as it was
set forth in his book, was just as
complicated as the Ptolemaic system, if
not more so. It was much the same with
Boole's Laws of Thought. He took some steps
in clearing up the conception of probability
which could only be taken by
a genius as sublime as his; but owing
to his continuing to cling so some of the
old phantoms, and especially to that of
a “simple event,” his doctrine, on the
whole, was perhaps even more confused
than that of Laplace. At any rate, the study