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No. This would involve one in solipsism and moral relativism and a denial of an external reality.
Math....2+2=4 always.
Always? Maybe in another universe/dimension
it doesn't? Thank you for your reply m2c!
No, not everything is relative. There are facts that can't be changed. Even though there's a lot of people defending a personal "truth", there is only one truth. Everyone is entitled to an opinion, even if it's wrong. That doesn't make things "relative", it just makes some discussions redundant.