Mastery may pertain-to others.Logical formLearned from4 sentences. Mastery can be over skills.Logical formLearned from4 sentences. Progress can be toward mastery.Logical formLearned from4 sentences. A mastery can be constituted-of-or-filled-with light.Logical formLearned from4 sentences. A mastery may pertain-to an execution.Logical formLearned from4 sentences. Higher levels can be constituted-of-or-filled-with mastery.Logical formLearned from4 sentences. A mastery can be constituted-of-or-filled-with policy.Logical formLearned from4 sentences. Children may lack mastery of a language.Logical formLearned from4 sentences. A symbol may pertain-to a mastery.Logical formLearned from4 sentences. A mastery can be constituted-of-or-filled-with knowledge.Logical formLearned from4 sentences. A male may achieve mastery.Logical formLearned from4 sentences. Mastery may pertain-to a planet.Logical formLearned from4 sentences. A mastery can be constituted-of-or-filled-with technologies.Logical formLearned from4 sentences. Mastery can be over the earth.Logical formLearned from4 sentences. A (mastery model) can be modified.Logical formLearned from4 sentences.