A level can be constituted-of-or-filled-with proof.Logical formLearned from87 sentences. Methods can be constituted-of-or-filled-with proof.Logical formLearned from84 sentences. A burden of proof can be on a person.Logical formLearned from84 sentences. A proof can be constituted-of-or-filled-with income.Logical formLearned from84 sentences. A person may see a proof.Logical formLearned from83 sentences. A proof can be obvious.Logical formLearned from82 sentences. Proof may pertain-to a willingness.Logical formLearned from81 sentences. A person may need a proof.Logical formLearned from81 sentences. A proof can be factual.Logical formLearned from80 sentences. Proof may pertain-to a failure.Logical formLearned from80 sentences. Proof may pertain-to progress.Logical formLearned from80 sentences. A proof can be constituted-of-or-filled-with life.Logical formLearned from80 sentences. A proof may pertain-to a success.Logical formLearned from79 sentences. Proof may pertain-to intentions.Logical formLearned from79 sentences. A proof can be geometric.Logical formLearned from78 sentences.