Persons may prove a principle.Logical formLearned from7 sentences. A plaintiff may prove negligence.Logical formLearned from7 sentences. A disc may prove that something-is-the-case.Logical formLearned from7 sentences. Skills may prove useful.Logical formLearned from7 sentences. A prediction may be proven correct.Logical formLearned from7 sentences. A producer may prove that something-is-the-case.Logical formLearned from7 sentences. A burden of proving that something-is-the-case can be on a prosecution.Logical formLearned from7 sentences. Complications may prove fatal.Logical formLearned from7 sentences. A side may prove strong.Logical formLearned from7 sentences. A method may prove reliable.Logical formLearned from7 sentences. A male may prove equal to a task.Logical formLearned from7 sentences. Negotiations may prove successful.Logical formLearned from7 sentences. A (breath test) may prove positive.Logical formLearned from7 sentences. A country may prove a (hunting ground).Logical formLearned from7 sentences. An existence of a deity may be proven.Logical formLearned from7 sentences.