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[12pts] Answer each: can a BNF create left-associative operators with different precedence? can a BNF create operators with different precedence and the same left-associativity? can
[12pts] Answer each:
- can a BNF create left-associative operators with different precedence?
- can a BNF create operators with different precedence and the same left-associativity?
- can a BNF contain both left-associative and right-associative operators?
- can a BNF be both ambiguous and unambiguous?
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Database Systems An Application Oriented Approach Complete Version
Authors: Michael Kifer, Arthur Bernstein, Richard Lewis
2nd Edition
0321268458, 978-0321268457
