Use De Morgan’s law for quantified statements and the laws of propositional logic toshow the following equivalences:.a) ¬ x(P (x) ¬Q(x)) x(¬P (x) Q(x))∀∧≡∃∨b) ¬ x(¬P (x) = Q(x)) x(¬P (x) ¬Q(x))∀⇒≡∃∧c) ¬ x(¬P (x) (Q(x) ¬R(x))) x(P (x) (¬Q(x) R(x)))

is there a picture

step-by-step explanation:

answer: what statements

step-by-step explanation if you write the statements down then i could you.

the answer to your question is b.

the area of ​​the surface of the rectangular prism here is 250 cm2, which is the surface of the shading

step-by-step explanation: