Crossword Genius

Against books getting fed into AI (4)

Ross

I believe the answer is:

anti

I'm a little stuck... Click here to teach me more about this clue!

'against' is the definition.
(prefix meaning against)

'books getting fed into ai' is the wordplay.
I cannot really see how this works, but
'books' could be 'nt' (New Testament) and 'nt' is present in the answer.
'ai' is within the answer.
This accounts for all the letters.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

(Other definitions for anti that I've seen before include "Someone opposed (to a policy?)" , "Policy's opponent" , "Who pooh-poohs all" , "on the other side" , "Negative vote" .)

I've seen this clue in The Times.
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