Knowledge may pertain-to an observer.Logical formLearned from9 sentences. A (domain knowledge) can be strong.Logical formLearned from9 sentences. Knowledge may undergo broadenings.Logical formLearned from9 sentences. Knowledge may pertain-to identities.Logical formLearned from9 sentences. Knowledge may pertain-to assets.Logical formLearned from9 sentences. Some student may demonstrate knowledge.Logical formLearned from9 sentences. Knowledge may pertain-to a (family chronology).Logical formLearned from9 sentences. A person may base questions on knowledge of a (family chronology).Logical formLearned from9 sentences. A difference can be in knowledge.Logical formLearned from9 sentences. Knowledge may pertain-to boundaries.Logical formLearned from9 sentences. Knowledge may pertain-to an alphabetic principle.Logical formLearned from9 sentences. Knowledge can be about a use.Logical formLearned from9 sentences. Persons may generate knowledge.Logical formLearned from9 sentences. Blocks can be constituted-of-or-filled-with knowledge.Logical formLearned from9 sentences. Work may provide knowledge.Logical formLearned from9 sentences.