Examlex
You have a portfolio which is comprised of 40% of Stock A and 60% of Stock B. What is the portfolio standard deviation?
Quantifier Negation
The process of negating the quantifiers in a statement, such as changing "all" to "not all" or "some" to "none".
Existential Generalization
A logical operation that infers the existence of at least one member of a domain that satisfies a certain property from a specific case.
Existential Instantiation
A logical principle that derives the existence of a particular instance of a predicate within a domain of discourse from a general statement.
Universal Instantiation
A logical rule stating that if something is true for everything in a certain set, then it is true for any specific thing in that set.
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