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@Critical-Tim
Moreover, it is possible for a person to meet progression often, and even if not often, still occasionally, and even if occasionally, it means that negativity is not always a predecessor of positivity. Your claim is that negativity is always a predecessor of positivity and above you say what if a person makes no progression that is a form of negativity. I would agree it is a form of negativity to make no progression, but I would also say what if they do make progression and therefore negativity is not always a predecessor of positivity. Therefore, I can prove that negativity is not always a predecessor of positivity.We agree that "it is a form of negativity to make no progression". Having not achieved any progress always comes before achieving progress. Achieving progress is not guaranteed, but entering a state of having yet achieved progress is. Therefore, negativity is always a predecessor of positivity.This would be true; however, you make one mistake. Making no progression is only a negative if you put effort into it. An individual who puts no effort into something will make no progress and so no progress is always a predecessor of progress but it's not negative if you didn't put effort into nothing. On the contrary if an individual puts effort into progress there is quite a chance that they will make progress. Therefore, it is possible to experience positivity without the predecessor of negativity.
I don't think it's possible to put absolutely no effort into progression towards goals. Even momentarily thinking about the goal is a tiny slither of effort. Even if it were possible for progress to be made without any effort, you're not going to make it through life without putting any effort in. Keep in mind that this is different from the colloquial 'I put no effort in', of which actually means very little effort.
Your "contrary" ignores the state before any progress can be made, wherein no progress is made but progress is wanted (a state with negative affect). It can sometimes be experienced very quickly and not be potent at all, but the negative affect beforehand is still there.