"boolean" - key terms from Wikipedia

all boolean	algebras
any boolean	operation
boolean
boolean	algebra
boolean	circuits
boolean	context
boolean	data type
boolean	datatype
boolean	expression
boolean	function
boolean	lattice
boolean	laws
boolean	logic
boolean	model
boolean	operation
boolean	operations
boolean	operators
boolean	or heyting
boolean	prime ideal theorem
boolean	ring
boolean	satisfiability problem
boolean	type
boolean	value
boolean	values
boolean	variable
boolean	variables
explicit boolean	data type
generalized boolean
laws of boolean	algebra
returns false boolean
sql boolean