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A Pegmatite Is a Course-Grained Igneous Rock That Forms Primarily

question 23

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A pegmatite is a course-grained igneous rock that forms primarily because the melt


Definitions:

Universal Generalization

A logical rule that states if something is true for all members of a class, it is true in general.

Quantifier Negation

A logical operation that reverses the scope of a quantifier in a statement, changing its overall truth value.

Existential Generalization

A logical operation that infers the existence of at least one individual meeting a specified condition from a statement concerning that individual.

Existential Instantiation

A rule of inference used in logic to deduce that there exists at least one instance of a particular property.

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