Most people are familiar with the Euthyphro dilemma against a deity. Theists, particularly intellectually sophisticated theists have some interesting responses to the Euthyphro dilemma (Richard Swinburne's response is one of the most unusual), but we can get into that later.
What if we flip it against atheism?
"Do you do good things because they are good, or are things good simply because you do them?"
If you pick the first option, then the good exists independent of human existence or knowledge. If you pick the second, then people can deem anything they do as good.
What if we flip it against atheism?
"Do you do good things because they are good, or are things good simply because you do them?"
If you pick the first option, then the good exists independent of human existence or knowledge. If you pick the second, then people can deem anything they do as good.