in-ter-ro-ga'-ti-o L. “question, cross-examination”

Primarily, interrogatio is simply the Latin term for erotema (the rhetorical question). In the Ad Herennium, however, interrogatio is described as employing a question as a way of confirming or reinforcing the argument one has just made.
  While, therefore, you were doing and saying and negotiating all of these things, were you not alienating the republic's allies? —Ad Herennium
See Also
  Sources: Ad Herennium 4.15.22; Melanch. IR c7v ("interrogatio" "erotema"); Peacham (1577) L3r

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Gideon O. Burton, Brigham Young University
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