{#/\. #\/. #not} do: [ |:func|
  func arity = 1 ifTrue: [inform: 'True ' ; (func as: String) ; ' = ' ; (func sendTo: {True}) printString.
                          inform: 'False ' ; (func as: String) ; ' = ' ; (func sendTo: {False}) printString.].

  func arity = 2
    ifTrue: [{{True. True}. {True. False}. {False. True}. {False. False}} do:
              [ |:each| inform: each first printString ; (func as: String) ; each second printString ; ' = ' ; (func sendTo: each) printString]]

].