Frownland

Sorry about logicgate, I figured everyone wanted people to back up their thoughts without using fallacies. If anything getting Chula to understand that it's okay to use theoretical talk without just shouting BULL****! would have been nice too. Oh well.

As far as the op goes, I doubt that you would cease to exist if you wiped your grandfather from existence. You have already been created and that's a permanent fixture. However, if you went back to your present, you would not exist in that place because it's a new timeline where neither you nor your grandfather existed. Since you've removed yourself from the effects of that timeline you would remain unscathed. That's my understanding of it anyway.

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Studies show that when a given norm is changed in the face of the unchanging, the remaining contradictions will parallel the truth.