title: Boolean-valued
text: # Boolean-valued
  
  Boolean-valued usually refers to:
  
  * in most applied fields: something taking one of two values (example: True or False, On or Off, 1 or 0) referring to two-element Boolean algebra (the Boolean domain), e.g. Boolean-valued function or Boolean data type
  * in mathematics: something taking values over an arbitrary, abstract Boolean algebra, for example Boolean-valued model
  