Take the following as truth: The publisher sent unrevised bound proofs from which this review was prepared; unfortunately, there was no proof of an index, but the publisher has assured me that there will be one in the published book, a rather essential ingredient of a work with this title.
Then the following statement: "The publisher claimed there would be an index when the book was published, but he lied. " is true, false, or inconclusive?
Answer: Inconclusive