Use "preexist" in a sentence

1. Synonyms for Antedate include precede, predate, anticipate, forego, antecede, go before, preexist, accelerate, anachronize and backdate

2. But the thought is always prior to the fact; all the facts of history preexist in the mind as laws.

3. Often, the target is created when the consolidation pattern is first applied so that no access controls preexist and possibly need to be defined.

4. This paper's main innovations are as follows:Based on the preexist literatures, this paper analyzed the main influence factors of the real estate price systematically and wholly.