A theorem may give necessary conditions.Logical formLearned from6 sentences. Redemption can be necessary.Logical formLearned from6 sentences. Public funding can be necessary.Logical formLearned from6 sentences. (Blood work) can be necessary.Logical formLearned from6 sentences. A charter can be necessary.Logical formLearned from6 sentences. A tower can be necessary.Logical formLearned from6 sentences. A configuration can be necessary.Logical formLearned from6 sentences. A devaluation can be necessary.Logical formLearned from6 sentences. Neurons can be necessary.Logical formLearned from6 sentences. Conditions can be necessary for life.Logical formLearned from6 sentences. An assumption can be necessary.Logical formLearned from6 sentences. A faith can be necessary for salvation.Logical formLearned from6 sentences. (Laboratory studies) can be necessary.Logical formLearned from6 sentences. Some study can be necessary.Logical formLearned from6 sentences. Diversion can be necessary.Logical formLearned from6 sentences.