A proof can be in a testing.Logical formLearned from17 sentences. A scientific proof can be solid.Logical formLearned from17 sentences. Proofs can be physical.Logical formLearned from17 sentences. A proof may pertain-to a rule.Logical formLearned from17 sentences. Proof may be obtained.Logical formLearned from17 sentences. A proof can be constituted-of-or-filled-with friendship.Logical formLearned from17 sentences. Proof may pertain-to a deed.Logical formLearned from17 sentences. A female may want proof.Logical formLearned from17 sentences. Sketch may show proof.Logical formLearned from17 sentences. A proof can be constituted-of-or-filled-with (concept project).Logical formLearned from17 sentences. A proof may pertain-to a us-state.Logical formLearned from17 sentences. Proof can be in cases.Logical formLearned from17 sentences. Proof may pertain-to a service.Logical formLearned from17 sentences. A male may present proof.Logical formLearned from17 sentences. A burden of proof can be on persons.Logical formLearned from17 sentences.