But isn’t this just the problem? Since two different groups will believe different things, what each will count as an appropriate justificatory practice will be different in each case. Some of their justificatory practices may partly overlap because they might believe some of the same things, but if one believes something the other does not, he will have another type of justification for which the other lacks.
My position is that justification is practiced within some epistemic context and attempts at justification can only be judged relative to that context; however, the truth of the matter is another story. Truth is not relative to what can be known at a given time and place.
How do you mean that it is a problem? Do you mean that it is a sort of relativism?
While, as Jeffrey Stout wrote in Ethics After Babel, deciding “…which moral propositions you are justified in believing depends upon or is relative to where you find yourself in culture and history,” the truth of a proposition (moral or scientific) does not depend on the culture within which the assertion is made.
Only the practice of justification depends on an epistemic situation which has a lot to do with time and place and even facts about the specific person who is justifying a belief. Saying so makes justification sound “just subjective,” but these facts about the person are still facts nonetheless.
An illustration…The reasons and evidence that we now use to justify our belief that the world is roundish were not available to, say, the ancient Hebrews. These arguments were developed over thousands of years of human history. The ancient Hebrews who did not have the benefit of this reasoning and tools for measurement could have been justified in saying the earth is flat even though they were wrong. People in ancient times were then “epistemically” blameless for asserting that the earth is flat.
By the same token, some culture at some time in the past may have been blameless in thinking that slavery was not evil. They were wrong, but they may still have been justified in thinking that they were right because the evidence and arguments that we can apply today did not exist in their time. One of the great shames of American history is that, according to the historical evidence, some of the Founding Fathers actually did have access to good arguments that oppose slavery, and should have recognized that slavery is wrong, yet they owned slaves anyway. The arguments that these Founding Fathers deployed in support of slavery weren’t good enough in their epistemic context considering the available counterarguments. Their belief in the morality of slavery was both false (assuming slavery actually is evil) and unjustified, so they were not blameless at that time.
This argument depends on making clear distinctions between the three terms of Plato’s formulation of knowledge as “justified true belief.” We need to see the difference between our belief right now that “slavery is evil” is true, our being justified in believing that “slavery is evil” is true, and the issue of whether in fact “slavery is evil” is actually true. Whether or not slavery actually is evil, we are still justified in believing that it is evil right now and therefore justifed in thinking that the ancient Hebrews were wrong then. But maybe they were actually right and we are wrong now. If so, it is no problem for the point that we can retain the concept that there can be some truth to the matter as to whether slavery is either evil now as well as then or not evil now and as well as then in the same way that there is truth to the matter as to whether or not the earth is flat. In both cases the truth of the matter is independent of whether or not anyone believes it. The difference is only that “slavery is evil” could not be true if there were no people for it to be true about. The difference is not that someone needs to believe one of these statements to make it true while the other is true independent of belief. Truth in both cases is thought to be independent of justification and belief.
The point is that though justification is relative to a cultural context and though moral truths always depend on facts about the culture we are applying the question of truth to, I am not a relativist since I believe the truth of the matter is only dependent on such facts and not on whether or not a belief can be justified.
Best,
Leela