A proof can be constituted-of-or-filled-with love.Logical formLearned from48 sentences. Proof may show that something-is-the-case.Logical formLearned from47 sentences. Proof may pertain-to a sincerity.Logical formLearned from47 sentences. A proof can be necessary.Logical formLearned from47 sentences. Proofs may pertain-to a book.Logical formLearned from47 sentences. Proof of alteration may be required.Logical formLearned from47 sentences. A proof can be in results.Logical formLearned from47 sentences. A set can be constituted-of-or-filled-with proofs.Logical formLearned from47 sentences. A proof can be stunning.Logical formLearned from47 sentences. A proof can be theoretical.Logical formLearned from47 sentences. A proof can be explicit.Logical formLearned from46 sentences. A proof may pertain-to a formula.Logical formLearned from46 sentences. A male may need proof.Logical formLearned from46 sentences. A country may have a proof.Logical formLearned from46 sentences. Proof may pertain-to a popularity.Logical formLearned from46 sentences.