i need someone he understand (intoduction in formal logic in philosphy) please

Q u iz VIII P r o b lem s 1 1. ~ N ⇾ M, N ⇾ F ⊢ ~M ⇾ F 2. (R ⦁ M) ⌄ (R ⦁ S) ⊢ R ⦁ (M ⌄ S) 3. C ⌄ (X ⌄ Y) ⊢ (C ⌄ X) ⌄ Y 4. L ⦁ (P ⇾ R) ⊢ ~[~(P ⦁ ~R) ⇾ ~L] 5. [L ⌄ (M ⦁ N )] ⇾ ~[L ⇾ ~(T ⦁ J)], (L ⌄ M ) ⦁ (L ⌄ N ) ⊢ ~(~J ⌄ ~T) 6. ~( E ⦁ ~ W ) ⌄ ( E ⇾ R) ⊢ E ⇾ ( W ⌄ R) 7. (P ⌄ Q) ⇾ S, ~M, (M ⌄ P) ⌄ Q ⊢ S 8. ~C, A ⌄ (C ⦁ D) ⊢ A 9. ~( F ⦁ G ), R, [S ⇾ ( F ⦁ G )] ⦁ (R ⇾ L) , S ⌄ R ⊢ ~ F ⌄ (~ G ⦁ L) 10. S ⇾ (L ⌄ M), (P ⦁ Q) ⇾ ~R, (S ⌄ P) ⦁ (S ⌄ Q) ⊢ (L ⌄ M) ⌄ ~R