We consider it quite possible to bring down to ordinary capacities even
the truths of pure mathematics, by the substitution of a less general
and precise species of evidence. We have ourselves made the attempt, and
hence we are satisfied of its entire practicability. Into what a small
space would the useful and practical truths of geometry be reduced, were
we to dispense with the auxiliary propositions which are required merely
to complete the rigid process of demonstration. How simple, for example,
would be the doctrine of parallel lines!--_Foreign Review_.
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