Proof may pertain-to involvement.Logical formLearned from326 sentences. A proof can be incontrovertible.Logical formLearned from322 sentences. Proofs can be formal.Logical formLearned from317 sentences. A female can be a proof.Logical formLearned from314 sentences. Proof may pertain-to an identity.Logical formLearned from298 sentences. A person may show a person a proof.Logical formLearned from290 sentences. Proof can be positive.Logical formLearned from279 sentences. A proof can be valid.Logical formLearned from277 sentences. A proof can be experimental.Logical formLearned from275 sentences. Proof may pertain-to a fact.Logical formLearned from270 sentences. Proofs may pertain-to a person.Logical formLearned from267 sentences. A proof may pertain-to a female.Logical formLearned from263 sentences. Standards can be constituted-of-or-filled-with proof.Logical formLearned from259 sentences. An offer can be constituted-of-or-filled-with proof.Logical formLearned from250 sentences. A proof may pertain-to an existence.Logical formLearned from248 sentences.