Luther vs. Erasmus: An Epistemological Issue

John Linux believes we're free in our philosophical positions. He's rebuking people for holding to a philosophical position that you believe God is determined, which again is irrational. Luther got something right, but Catholics were Trinitarian and so are you semi-Catholic? Are you on Erasmus's side whenever you're defending Trinity against Unitarians? And he's continually using boogeyman arguments, such as fallacy and question-bagging arguments,. Which again is fallacious.