An application of a doctrine can be appropriate.Logical formLearned from3 sentences. A board may mention a doctrine of equitable estoppel.Logical formLearned from3 sentences. A doctrine of equitable estoppel can be applicable.Logical formLearned from3 sentences. A doctrine of equitable estoppel may preclude a party from establishing an essential element of a claim.Logical formLearned from3 sentences. A doctrine of equitableestoppel can be relevant.Logical formLearned from3 sentences. A doctrine of laches can be inapplicable to a federal government.Logical formLearned from3 sentences. A doctrine may be resorted to aid.Logical formLearned from3 sentences. A (submarine doctrine) may pertain-to a military-or-other-action-organization.Logical formLearned from3 sentences. A doctrine can be embedded.Logical formLearned from3 sentences. A look can be at a doctrine.Logical formLearned from3 sentences. Lessons may become part of a development of doctrine.Logical formLearned from3 sentences. An idea may be incorporated into (fleet doctrine).Logical formLearned from3 sentences. A doctrine may be believed.Logical formLearned from3 sentences. A fair-use doctrine may pertain-to (copyright laws).Logical formLearned from3 sentences. A plurality can be constituted-of-or-filled-with doctrines.Logical formLearned from3 sentences.