Question

a) Prove that the following are logically equivalent. Also, write names of the law: i) ⋀൫⋁൯ ≡ ൫ ∧ ൯ ∨ ൫ ∧ ൯ ii) ቀ൫ → ൯ ∧ ൫ → ൯ቁ → ൫ → ൯ ≡ �

Answer 1

Step-by-step explanation:

the meniscus of a liquid in a capillary tube is a concave if fc is the force of cohesion and the fa is the force of adhesion between molecule of the liquid then