Though to some extent anticipated by the English deist Thomas Morgan, Semler was the first to take due note of and use for critical purposes the opposition between the Judaic and anti-Judaic parties of the early church.
With the Jews of Cochin, they represent a very ancient Judaic invasion of India, and are to be entirely distinguished from those Jews who have come to India in modern days for purposes of trade.
The picture, too, which it gives of the danger lest the Christianity of its readers should be unduly Judaic in feeling and practice, suits well the experiences of a writer living in Alexandria, where Judaism was immensely strong.
It is true, he wrote no actual commentary on the Bible, but his philological works exercised the greatest influence on Judaic exegesis.
But in many important points their deviation from the strait path of Judaic development was complete.