In other words, Bennett is not adducing a second authority for his assertions but merely falling back on the first via its recycling by another writer.
Bennett cited a second author with a fresh argument to back up his claims.
mnli hypothesis: Bennett cited a second author with a fresh argument to back up his claims. premise: In other words, Bennett is not adducing a second authority for his assertions but merely falling back on the first via its recycling by another writer.