Which preposition to use with irrefutable

as Occurrences 2%

That was absolute; above logic and morality, irrefutable as the sweetness of a flower.

like Occurrences 1%

This had become an established fact irrefutable like a proposition of Euclid and one of my new friends, who was also a friend of the Dr. Sullivan of Wigley Street who had so satisfyingly and minutely anticipated my countenance, made it the staple of his conversation.

Which preposition to use with  irrefutable