Martin Argerami
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How can something non-physical exist?
1 votes

I'm no philosopher, and I cannot answer at the level of the other answers. But here is my short take. The key problem with your reasoning, in my view, is: how do you define "physical"? For instance, ...

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In propositional logic, why can a FALSE antecedent of conditional be simplified to TRUE?
0 votes

So you want to think of F → T. If you want a binary logic, you only have two options: T of F. Suppose that it's T. This would mean that in your logic any implication of that form would be true. So now ...

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