1. A ⊃ B 2. B ⊃ D 3. ~D Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?    A) None of the above B) B  C)D ⊃ A D)A E)A ⊃ D

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.