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ematics. All that mathematics can do is
to assure us that a statement A is equiv-
alent to statements B, C, D, or is one of
the facts expressed by the statements B, C,
D; so that we may know, if B, C, and D
are true, then A is true. To many peo-
ple our inability to understand all that is
contained in statements B, C, and D, with-
out the cumbrous process of a mathemati-
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