Computer Science · Predicate Logic
What is the logical notation for the assertion 'Not all primes are odd', where P(x) denotes 'x is prime', E(x) denotes 'x is even', and O(x) denotes 'x is odd'?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1&exists;!x [E(x) ∨ O(x)]
- 2&exists;x [E(x) ∨ P(x)]
- 3&exists;x [P(x) ∧ ¬O(x)]✓
- 4&exists;x [¬E(x) ∨ O(x)]
Correct answer
&exists;x [P(x) ∧ ¬O(x)]
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