Validity may pertain-to a proof.Logical formLearned from14 sentences. A defendant may have a burden of proof.Logical formLearned from14 sentences. Proof can be in hand.Logical formLearned from14 sentences. Some proof can be constituted-of-or-filled-with identification.Logical formLearned from14 sentences. A certificate can be a proof.Logical formLearned from14 sentences. A proof can be careful.Logical formLearned from14 sentences. A proof can be in a record.Logical formLearned from14 sentences. Proofs can be by induction.Logical formLearned from14 sentences. A proof can be melancholy.Logical formLearned from14 sentences. Proof may pertain-to expenses.Logical formLearned from14 sentences. A proof can be constituted-of-or-filled-with (claim form).Logical formLearned from14 sentences. A proof may pertain-to a genius.Logical formLearned from14 sentences. A proof may pertain-to an esteem.Logical formLearned from14 sentences. Proof may pertain-to a membership.Logical formLearned from14 sentences. A proof can be sufficient.Logical formLearned from14 sentences.