The power of the microscope is thus represented by presupposing day-light with a wave-length of 550 Au.
The result is that both Sigwart and Wundt transform the inductive process of adducing particular examples to induce a universal law into a deductive process of presupposing a universal law as a ground to deduce particular consequences.
They offer pure categories arising in series, each successive one presupposing those that have gone before.
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