A proof can be known.Logical formLearned from35 sentences. A person may have a burden of proof.Logical formLearned from35 sentences. Proof may be presented.Logical formLearned from35 sentences. A proof may be provided.Logical formLearned from35 sentences. A person may require proof.Logical formLearned from35 sentences. A person may find a proof.Logical formLearned from35 sentences. Persons may ask for proof.Logical formLearned from35 sentences. A proof may pertain-to a commitment.Logical formLearned from35 sentences. A burden of proof can be on a party.Logical formLearned from35 sentences. Proof can be from a country.Logical formLearned from35 sentences. Proofs can be informal.Logical formLearned from34 sentences. A proof may pertain-to an innocence.Logical formLearned from34 sentences. A male may see a proof.Logical formLearned from34 sentences. A proof can be demonstrative.Logical formLearned from34 sentences. A proof can be constituted-of-or-filled-with security.Logical formLearned from34 sentences.