Which preposition to use with inventio

in Occurrences 1%

The student had to know the differences between the various kinds of cases, demonstrativum, deliberativum and judiciale; he must know the proportionate value to the orator of inventio, dispositio, elocutio, memoria, and pronuntiatio, and how to manage each; he must know how to apply inventio in each of the six divisions of the speech: exordium, narratio, divisio, confirmatio, confutatio, conclusio.

of Occurrences 1%

Anyone, however, who is familiar with the inventio of classical rhetoric, concerned as it is with exploring subject matter, will be at a loss to see the connection with Hawes.

Which preposition to use with  inventio