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advanced logic Construct models showing that the following sequents are incorrect. ∀xyz((Rxy&Ryz) → Rxz) |=∀xyz ((~Rxy...

advanced logic Construct models showing that the following sequents are incorrect.

∀xyz((Rxy&Ryz) → Rxz) |=∀xyz ((~Rxy & ~Ryz) →~Rxz)

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