E. Give the reason(s) for each step needed to show that the following argument is valid. [p A (p → q) A (s V r) A (r → ¬q)] → (s V t) Reasons Steps 1.р 2. p → q 3. q 4. r → ¬q 5. q → ¬r 6. ¬r 7. s Vr 8. s 9. .. s Vt

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