engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Engineering Mathematics Mathematical Logic First Order Logic
The CORRECT formula for the sentence, “not all rainy days are cold” is
1
∀d (Rainy(d) ∧∼Cold(d))
2
∀d (∼Rainy(d) → Cold(d))
3
∃d (∼Rainy(d) → Cold(d))
4
∃d (Rainy(d) ∧∼Cold(d))