Definition of "factness"

This brute factness of science ought not to obscure the decisive fact that Kant provided an idealist reconstruction of this scientific realist base.

2013, Robert E. Butts, Historical Pragmatics: Philosophical Essays‎

The crucial question, then, is to what extent is the factness of a fact dependent on coherence?

2003, Lori J. Underwood, Kant's Correspondence Theory of Truth: An Analysis and Critique of Anglo-American Alternatives‎