We saw that God made only one bed, and it would be natural to suppose that he would make only one straight line. But if there is a heavenly triangle, he must have made at least three straight lines. The objects of geometry, though ideal, must exist in many examples This suggests that geometry, on Platos theory, should not be capable of ultimate truth, but should be condemned as part of the study of appearance. We will, however, ignore this point.p. 124.

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