If a proposition appears under careful scrutiny to be or entail a contradiction, it is questionable whether there is even a proposition before the mind.

Third, if a proposition appears under careful scrutiny to be or entail a contradiction, then is there even a proposition before the mind? If you require for x’s salvation that x believe that God is one and God is three, what exactly are you demanding that x believe? Before x can affirm a proposition as true x must understand it, but how can x affirm as true a proposition that appears necessarily false? Such a ‘proposition’ is arguably not a proposition at all. God is simple but free appears to be in like case. As a matter of pure logic, there are of course necessarily false propositions: take ...