With or without 'free will' it doesn't make a difference to the meaning of 'faith' so 'rational faith' is still an oxymoron.
Because we evidently have personal decisions in this universe with or without free will. Whether we actually have any CHOICE in the matter is irrelevant. What we CALL 'free choices' is still the same thing as it always was regardless of whether they're ACTUALLY free or not - (and I, of course - do not believe they are as I'm sure you are aware!).
We still use the word 'free' regardless of free will or not for example. And if we have to 'make a choice' we still CALL it that regardless of whether we actually DO have a choice in the matter... or not.
EvF
Because we evidently have personal decisions in this universe with or without free will. Whether we actually have any CHOICE in the matter is irrelevant. What we CALL 'free choices' is still the same thing as it always was regardless of whether they're ACTUALLY free or not - (and I, of course - do not believe they are as I'm sure you are aware!).
We still use the word 'free' regardless of free will or not for example. And if we have to 'make a choice' we still CALL it that regardless of whether we actually DO have a choice in the matter... or not.
EvF