>>508234665
No, lacking a belief in X means you literally have no beliefs about X at all. For example see this asteroid? https://en.wikipedia.org/wiki/624_Hektor Before you were informed of it you did not even form an opinion on it, you had no beliefs at all and thus you lacked a belief about it. But now that has all changed. You can choose to believe it actually exists or not and that I just shopped the image and wrote the article myself. The same applies to God(s), an atheist hold the belief that they likely do not exist