Question | Likes! | Dislikes! | Answers! |
---|
Questions of this subject!.
1)List the various error recovery strategies for a lexical analysis | 0 | 0 | 2 |
2) How many error levels are available in PHP? | 1 | 0 | 1 |
3)What is derivation tree? | 1 | 0 | 1 |
4)Consider the first-order logic sentence φ ≡ ∃s∃t∃u∀v∀w∀x∀y ψ(s,t, u, v, w, x, y) where ψ(s,t, u, v, w, x, y) is a quantifier-free first-order logic formula using only predicate symbols, and possibly equality, but no function symbols. Suppose φ has a model with a universe containing 7 elements. Which one of the following statements is necessarily true? | 0 | 0 | 1 |