حل سوال 3
وتأكدو من الحل
Q 6. Over the universe of animals, let
p(x): x is a whale;
q(x): x is a fish;
r(x): x lives in water.
Write the following sentences as quantified statements:
(1) There exists an animal, which does not live in water.
ⱻx (-r(x))
(2) There exists a fish that is not a whale.
ⱻx (q(x)^ –p(x))
(3) Every whale that lives in the water is a fish.
Ɐx (p(x) ^ r(x) -q(x)
أحد يعرف كيف ارفع الواجب عن طريق البلاك بورد ؟؟؟
العرض العادي
