I asked Catholic apologists their thoughts on an argument for Sola Fide. Jimmy Akin was kind and responded to me about the issue.

http://spirited-tech.com/2021/01/05/the-abrahamic-dilemma-father-of-the-faithful/

Here is the conversation:

None of my objections are listed in the article. I would point out that Paul’s argument is that Abraham was saved by faith and not by works of the Mosaic Law, and thus we are saved by faith and not by works of the Mosaic Law. That’s all he’s arguing (1)

This is true, but it ignores the arguments that Paul presents for his position. Paul’s argument in the passages mentioned is that there is no divided covenant community and those that truly are God’s covenant people are those that possess the faith of Abraham. The other issue is that Paul cites these historical examples to show that this also was always the case for salvation.

It thus goes beyond Paul’s argument (i.e., it reads into the text) to claim that Paul is asserting that EVERY DETAIL of how Abraham was saved is identical with every detail of how we are saved. This is an invalid inference. (2)

This seems to assume the argument is that “EVERY DETAIL” must be the same. Salvation may have necessary and contingent elements. There are necessary elements (eg election, justification, regeneration, etc) but there can be non-essential aspects (eg location of where you were justified, gospel presentations, etc). Furthermore, you can lessen the burden of the argument just to entail that we are justified in the same way and recognize the contingent elements to that as well.

And the inference is erroneous, because Paul clearly did not believe Abraham had an explicit knowledge that Jesus of Nazareth would one day die on a Cross to redeem us from our sins. Therefore, not every detail of how faith saved Abraham corresponds to how it saves us. (3)

 Firstly, I may be ignorant, but why does he suppose that Abraham wasn’t informed about this? Abraham had direct correspondence with God. In fact, John 8 may entail that Abraham knew more than what we suspect. Secondly, there are passages that seem to teach that we share in the same faith that Abraham possessed (Rom. 4:16, Gal. 3:7-8). Thirdly, this would only state that the object of faith is different, but that still leaves the order of soteriological events the same. I don’t maintain they are a different object of belief, but rather refer to the same objects through different terms.