Use Logical Operators (Mathematica How To)

Mathematica supports logical operators not only for programming, but for mathematical operations as well.

Booleans (Built-in Mathematica Symbol)

Booleans represents the domain of Booleans, as in x \[Element] Booleans.

DependentVariables (Built-in Mathematica Symbol)

DependentVariables is an option which specifies the list of all objects that should be considered as dependent variables in equations that have been supplied.

False (Built-in Mathematica Symbol)

False is the symbol for the Boolean value false.

InputNotebook (Built-in Mathematica Symbol)

InputNotebook[] gives the current notebook into which keyboard input in the front end will be directed.

LinkPatterns (Built-in Mathematica Symbol)

LinkPatterns[link] gives a list of the patterns for which definitions were set up when the external program associated with the specified MathLink connection was installed.

MessageDialog (Built-in Mathematica Symbol)

MessageDialog[expr] puts up a standard message dialog that displays expr together with an OK button.MessageDialog[expr, {lbl_1 :> act_1, lbl_2 :> act_2, ...}] includes ...

NotebookInformation (Built-in Mathematica Symbol)

NotebookInformation[] gives a list of properties of the current evaluation notebook.NotebookInformation[notebook] gives a list of properties for the specified notebook.

NotebookPrint (Built-in Mathematica Symbol)

NotebookPrint[expr] sends a notebook containing expr to your default printer.NotebookPrint[notebook] sends the specified notebook to your default printer. ...

NotebookSelection (Built-in Mathematica Symbol)

NotebookSelection[] represents the current selection in the current evaluation notebook in the front end.NotebookSelection[nb] represents the current selection associated ...