Question 1209922
Let's derive the conclusions using the first thirteen rules of inference.

**Argument 1:**

1.  (O v M) ⊃ S
2.  ~S / ~M

3.  ~(O v M) (Modus Tollens, 1, 2)
4.  ~O • ~M (De Morgan's Theorem, 3)
5.  ~M (Simplification, 4)

**Argument 2:**

1.  ~(~E • ~N) ⊃ T
2.  G ⊃ (N v E) / G ⊃ T

3.  N v E (Double Negation, ~E • ~N)
4.  G ⊃ ~(~E • ~N) (Hypothetical Syllogism, 2, 3)
5.  G ⊃ T (Hypothetical Syllogism, 4, 1)

**Argument 3:**

1.  ~(F • A)
2.  ~(L v ~A)
3.  D ⊃ (F v L) / ~D

4.  ~L • ~~A (De Morgan's Theorem, 2)
5.  ~L • A (Double Negation, 4)
6.  A (Simplification, 5)
7.  ~F v ~A (De Morgan's Theorem, 1)
8.  ~F (Disjunctive Syllogism, 6, 7)
9.  ~L (Simplification, 5)
10. F v L (Constructive Dilemma, 8, 9)
11. ~D (Modus Tollens, 3, 10)