Text: She was an old lady, and might possibly have forgotten the former one; or ”this seemed to him more likely ”she may have had an idea that it was revoked by her marriage, as there had been some conversation on the subject.
Entailment: It seemed more probable to him that she thought the old one was made invalid by her marriage.
Contradiction: It seemed more likely to him that she had forgotten the old one because she was an old lady.