An Introduction to Antanagoge
Antanagoge (derives from Greek combination ‘ant-’ “against,” and ‘anagoge’ “a leading up”) — consists in two contexts.
Firstly — A figure by which the accused person unable to respond the allegation or accusation of an adversary, rather throws a retort by means of counter-allegation or recrimination to the accusation thrown by the adversary.
Secondly — Antanagoge is a technique by means of aligning positive views to mitigate the negative aspects of an idea, person, or object. In this vein, the negative views which makes the idea undesirable or difficult, are moderated with the introduction of equally positive views, thereby putting the whole idea in a positive perspective by making the benefits (the positives) outweigh the costs — in this case, the negative.
Now, dwelling on the last example; the writer has cleverly juxtaposed the negative prospect of losing money with the advantages of cleaner air and, most importantly, with a decrease in deaths. To emphasize the point, both negative and positive are restated again at the end of the sentence through the phrase, definitely worth the risk. The example contains two antanagoges.
Antanagoge is a structure for the ordering of points in the scale that makes the positives balance with, and outweigh the negatives. It is a device that glorify the positives against the negatives.