An operator may pertain-to a route.Logical formLearned from12 sentences. An operator can be dedicated.Logical formLearned from12 sentences. Operators can be humanitarian.Logical formLearned from12 sentences. An operator can be on a route.Logical formLearned from12 sentences. An operator can be on a field.Logical formLearned from12 sentences. Operators may undergo involvement.Logical formLearned from12 sentences. (Tour operators) can be outbound.Logical formLearned from12 sentences. An operator can be on a space.Logical formLearned from12 sentences. A (pay television operator) may pertain-to a country.Logical formLearned from12 sentences. Operators may argue that something-is-the-case.Logical formLearned from12 sentences. Operators can be constituted-of-or-filled-with aircrafts.Logical formLearned from12 sentences. An eigenvalue may pertain-to an operator.Logical formLearned from12 sentences. A spectral theorem can be for self-adjoint operators.Logical formLearned from12 sentences. Properties can be constituted-of-or-filled-with operators.Logical formLearned from12 sentences. An operator can be in question.Logical formLearned from12 sentences.