So you agree that rational beliefs require a reasonable justification, yet;
Yes, but I see both positions being supported by the same evidence.
That evidence is that there isn’t sufficient evidence to reasonably justify their existence.
In other words, you believe X does not exist because you do not believe there is reasonable justification to believe in X,
therefore your entire statement is due to
not believing in X.
You are justifying your stated belief, that gods don’t exist, by your not finding reasonable justification to believe that they do exist.
Can you prove that to anybody, including yourself, without that absence of a reasonable justification to believe?
And we perceive the world based on what we think exists and is real. If we have not been sufficiently convinced that something exists, then we believe it doesn't exist until show otherwise.
Herein lies the difference.
If I have not been sufficiently convinced that something exists, but have no way to falsify it’s existence (meaning I understand that there may be a possibility I have overlooked or not yet uncovered), I do not then form a belief that it does not exist.
This is what is commonly known as the “Black Swan Fallacy”.
Instead I simply do not believe that it exists since I have no reasonable justification for believing that it does.
I don’t take the extra step to form a belief that it does not exist, because I don’t have a justification to do so.
If I formed that belief without justification that would be irrational.
If someone asks "are there any dangerous, invisible, formless predators in your swimming pool?" Then I believe there are none. I don't simply "not believe there are any".
This is because if there were dangerous predators in my pool, I'd expect to see evidence of some kind. As I have swum there many times, and never been attacked, this adds to my reasons. In addition I don't believe any invisible, formless predators exist based on my knowledge of what I perceive as reality.
I can't falsify their presence, and my knowledge of reality may be flawed, but it is still rational to believe there are none.
This is a classic example of the “Black Swan Fallacy”.
One problem here is most pools are filtered and chlorinated in order to prevent just the sort of thing you’re alluding to.
Since the world is not a controlled setting such as your pool, let’s try a little more apropos analogy in the real uncontrolled world.
For years I lived near Lake Mead.
I went swimming there with family and friends for many years on multiple occasions all different times of the year and never had any problems
(much like your experience in your pool).
If someone asked me "are there any dangerous, invisible, formless predators in these waters?”,
I would have said; “We’ve never seen any or had any problems, so I don’t believe so.”……
Until one afternoon just like countless others, after swimming for much of the day, several of us began to get intense itching and a pimply rash and blisters caused by dangerous, invisible, seemingly formless predators in the water.
In order for this to happen required the right combination of the water being the right temperature, the wind being still enough to prevent waves from stirring up the water to prevent it from being flushed by other water coming from further off shore, the fact there were a sufficient number of infected birds to poop close enough to the shore to allow enough of the eggs to survive until they managed to get into the still, warm water in order to allow enough of them to hatch and not get carried off shore before being able to come upon a sufficient population of a specific species of snail in order to infect them and survive long enough to develop and then release another kind of larvae who then must survive long enough without being washed out of the area by any current in order to make it to near the surface in order to find their “prey” and successfully burrow into their skin.
In others words the conditions had to align in just the right combination that had not previously occurred in the countless other times through the years that we’d been going swimming there.
It turns out the parasite larvae that caused it are known as cercariae. The parasites that cause the itch originate from infected birds that live near water. The parasites lay eggs in the infected animal’s blood and then the eggs are passed through the infected animal’s poop.
If those eggs reach water, they hatch and release tiny, microscopic larvae. These larvae swim around the water looking for a certain species of snail, and if they come into contact with the snail, the larvae will multiply and further develop. Infected snails then release a different kind of larvae known as cercariae.
This kind of larvae then swims to the surface of the water looking for certain birds or mammals to continue the cycle.
Even though the larvae cannot survive in a human’s body, they can burrow into a swimmer’s skin and trigger an allergic reaction that causes an itchy rash, known as swimmer’s itch. The larvae soon die after they burrow into a person’s skin, but the itching and rash from the allergic reaction can last for several days.
So just because we may not have learned about something yet, doesn’t mean it doesn’t exist.
Likewise, since we are aware there are many things we don’t yet know about a great many things, and since we have been surprised on occasions to discover things we thought improbable, we know enough to know that we don’t know everything.
Thus the time to rationally believe something exists, or believe it doesn’t exist is when we have a reasonable justification to do so, not before.
There may be many god concepts, but I don't need to tick off every single monotheist view, or every single polytheistic god, or duelistic system.
You do in order to make a claim that “no gods exist.”…
Along with a deistic god, a god similar to the OP’s overseer/programer, a non-corporal “universal conscience god”, a super advanced alien life-form creator god, a “prime mover”, or any not yet conceived god.
When you say “I believe gods do not exist”, and/or “I believe no gods exist”, you have included any and all gods including those not specified or even yet conceived.
Of course this can’t be done, because you can’t prove a negative.
This is precisely what makes it an irrational belief.
It
is rational, however, to
not believe in any of these gods until those that propose them have presented sufficient reasonable justification to do so, or you discover sufficient reasonable justification somehow on your own.
We can see how mythologies emerged, and how they share common features and how they relate to aspects of human cognition and anthropological histories.
That is a good start towards falsifying certain specific claims of some specific gods, but not necessarily many others.
Which is why I stipulated that the “strong atheist” position may well be justified in specific cases pertaining to specific gods, where they can be reasonably shown to not exist.
Unfortunately, that doesn’t carry over to a generalized all encompassing non-specific case.