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The Restatements of the Law is one of the most respected and well-used sources of secondary authority, covering nearly every area of common law. While considered secondary authority (compare to primary authority), the authoritativeness of the Restatements of the Law is evidenced by their acceptance by courts throughout the United States.
Rules of inference are syntactical transform rules which one can use to infer a conclusion from a premise to create an argument. A set of rules can be used to infer any valid conclusion if it is complete, while never inferring an invalid conclusion, if it is sound.
The instantiation principle, the idea that in order for a property to exist, it must be had by some object or substance; the instance being a specific object rather than the idea of it; Universal instantiation; An instance (predicate logic), a statement produced by applying universal instantiation to a universal statement
Existential instantiation, when conducted in a Fitch style deduction, proceeds by entering a new sub-derivation while substituting an existentially quantified variable for a subject—which does not appear within any active sub-derivation. If a conclusion can be reached within this sub-derivation in which the substituted subject does not appear ...
In predicate logic, universal instantiation [1] [2] [3] (UI; also called universal specification or universal elimination, [citation needed] and sometimes confused with dictum de omni) [citation needed] is a valid rule of inference from a truth about each member of a class of individuals to the truth about a particular individual of that class.
The instantiation principle or principle of instantiation or principle of exemplification is the concept in metaphysics and logic (first put forward by David Malet Armstrong) that there can be no uninstantiated or unexemplified properties (or universals). In other words, it is impossible for a property to exist which is not had by some object.
In constitutional law, constitutionality is said to be the condition of acting in accordance with an applicable constitution ; the status of a law, a procedure, or an act's accordance with the laws or set forth in the applicable constitution. When laws, procedures, or acts directly violate the constitution, they are unconstitutional. All others are considered constitutional unless the country ...
Originalism is a legal theory that bases constitutional, judicial, and statutory interpretation of text on the original understanding at the time of its adoption. Proponents of the theory object to judicial activism and other interpretations related to a living constitution framework.