x P(x)
x Q(x)
and x(P(x)
Q(x))
are not logically equivalent.Unit 10 Exercises
1. Show that
x P(x)
x Q(x)
and x(P(x)
Q(x))
are not logically equivalent.
2. Show that
x P(x)
x Q(x)
and x
y(P(x)
Q(y))
are equivalent.