Multiple Choice
determine whether the given formula is a logical truth of M or not. If it is not a logical truth, select a false valuation.
-[(∀x) (Fx ⊃ Gx) • (∀x) (Gx ⊃ Hx) ] ⊃ (∃x) (Fx • Hx)
A) Logical truth
B) Not a logical truth. False valuation in a domain of 1 member, in which: Fa: False Ga: False Ha: False
C) Not a logical truth. False valuation in a domain of 1 member, in which: Fa: True Ga: True Ha: False
D) Not a logical truth. False valuation in a domain of 1 member, in which: Fa: True Ga: True Ha: True
E) Not a logical truth. False valuation in a domain of 1 member, in which: Fa: True Ga: False Ha: True
Correct Answer:
Verified
Correct Answer:
Verified
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