This process of moving from particular examples to general principles is known as “induction.” Faced with the shift towards an inductive method modeled on science, midcentury grammarians waffled on the proper place of punctuation in their guidebooks. Was punctuation part of orthography, the study of how a language should be written? Was it part of prosody, how language should sound? Or did punctuation fall under the heading of syntax, the study of how language should be structured? The problem sparked vigorous debate. If punctuation were to be part of prosody, how could it be taught with the
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