Is the clause { { } } ≡ { } ? The clauses are In CNF form.I tried thinking about it , so the final solution, according to me should be that the statement is true. Is the understanding correct?
Is an empty clause within another empty clause is equivalent to an empty clause ?(In CNF form)
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It depends on the specific notation you are using (from a book? From lectures?) But in this context I would expect it to be:
{ {} } is a conjunction of a single empty disjunction, which is is equivalent to that single empty disjunction, and its value is the identity element for disjunction (consider/remember what that is).
{} is the empty conjunction, its value is the identity element for conjunction.
Because these values are different, the clauses are not equivalent.