1. (∃X)[Dx • (∀Y)(Ey ⊃ Fxy)]

question 12

Multiple Choice

1. (∃x) [Dx • (∀y) (Ey ⊃ Fxy) ]
2. (∀x) (Dx ⊃ Ex)
-Which of the following propositions is derivable from the given premises in F?

• A) (∀x)(∀y)[(Dx • Dy) ⊃ Fxy]
• B) (∀x)(Dx ⊃ Fxx)
• C) (∀x)[Ex ⊃ (∃y)Fxy]
• D) (∀x)[Ex ⊃ (∀y)Fyx]
• E) (∃y)(Ey • Fyy)

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