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1. (∀x) (∀y) (∀z) [(Ix • Jx • Iy • Jy • Iz • Jz) ⊃ (x=y y=z x=z) ]
2. Ia • Ja • Ka • Ib • Jb • Kb • a≠b
-Which of the following propositions is an immediate (one-step) consequence in F of the given premises?
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Q257: Which of the following propositions is
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