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1 (∀X)(∀y)(∀z)[(Ix • Jx • Iy • Jy • Iz \lor

question 217

Multiple Choice

1. (∀x) (∀y) (∀z) [(Ix • Jx • Iy • Jy • Iz • Jz) ⊃ (x=y \lor y=z \lor 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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