Dr Eunice Dowell’

nxc2xa0~(F xe2xa6x81 G), R, [S xe2x87xbe (F xe2xa6x81 G)] xe2xa6x81 (R xe2x87xbe L), S xe2x8cx84 Rxc2xa0xc2xa0 xe2x8axa2 ~F xe2x8cx84 (~G xe2xa6x81 L)—————————–xc2xa0S xe2x87xbe (L xe2x8cx84 M), (P xe2xa6x81 Q) xe2x87xbe ~R, (S xe2x8cx84 P) xe2xa6x81 (S xe2x8cx84 Q)xc2xa0 xe2x8axa2 (L xe2x8cx84 M) xe2x8cx84 ~R————————–(P xe2x8cx84 Q) xe2x87xbe S, ~M, (M xe2x8cx84 P) xe2x8cx84 Qxc2xa0 xe2x8axa2 S—————————————DeMorgan’s Law (DM), Arrow Switch (xe2x87xbeS), Commutation (Com), Association (Ass), Contraposition (Contra), Distribution (Dist.), Hypothetical Syllogism (HS), or Disjunctive Syllogism (DS) “