Christian writers of the first and second centuries who are known, or are considered, to have had personal relations with some of the Apostles, or to have been so influenced by them that their writings may be held as echoes of genuine Apostolic teaching.
An antedated contract is a contract whose date is in the past; formally, a contract where the effective date on the contract is prior to the date on which the contract is executed (written, signed, made effective).
This book was mistakenly published under ISBN13: 9780965017763.
Set in the far future amidst a sprawling feudal interstellar empire where planetary dynasties are controlled by noble houses that owe an allegiance to the imperial House Corrino, Dune tells the story of young Paul Atreides (the heir apparent to Duke Leto Atreides and heir of House Atreides) as he and his family This book was mistakenly published under ISBN13: 9780965017763.
The term is from Latin ante meaning "before", and its antonym is postdate.
Another example, in simpler terms, might be that if something antedates something else, it predates it, or is older than it.