Answer
The argument is not valid
Work Step by Step
Because it makes an unjustified leap from the premise to the conclusion. The premise âxH(x) indicates that there exists at least one individual x who is happy, but it does not specifically tell us that Lola is that individual. Therefore, the conclusion "Lola is happy" cannot be validly inferred from the given premise. The premise only asserts the existence of a happy individual but doesn't identify who that individual is.
