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- If time were 2 or 3 dimensional what implications are there?

I have read that nothing in math makes time having more than 1 dimension impossible. But if time had 2 dimensions or even 3 dimensions on its own, what would that mean? Could time travel and time travel paradoxes be allowed without destroying the universe or creating branch realities?

I think in 3 dimensional space you can ties your shoes, but in 4 dimensional space a knot can't exist.

Would higher dimensional time allow more that seems forbidden currently?

I think in 3 dimensional space you can ties your shoes, but in 4 dimensional space a knot can't exist.

Would higher dimensional time allow more that seems forbidden currently?