#7. Use a direct proof to show that the following argument isvalid.
Need to add the lines to finish the proof. The first box shouldbe the proof, second two boxes should reference the line numbers,the last box should say which rule we are using. Thank you inadvance!!
4 NH 5 Check Modus Ponens MP Modus Tollens MT Hypothetical Syllogism HS Disjunctive Syllogism DS Constructive Dilemma CD Simplification
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