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An introduction to malfunction Token and type malfunction Misfunction Is Software Malfunction an Oxymoron? Jesse Hughes July 25, 2007 Hughes Is Software Malfunction an Oxymoron? An introduction to malfunction Token and type malfunction


  1. An introduction to malfunction Token and type malfunction Misfunction Is Software Malfunction an Oxymoron? Jesse Hughes July 25, 2007 Hughes Is Software Malfunction an Oxymoron?

  2. An introduction to malfunction Token and type malfunction Misfunction Outline 1 An introduction to malfunction Hughes Is Software Malfunction an Oxymoron?

  3. An introduction to malfunction Token and type malfunction Misfunction Outline 1 An introduction to malfunction 2 Token and type malfunction Hughes Is Software Malfunction an Oxymoron?

  4. An introduction to malfunction Token and type malfunction Misfunction Outline 1 An introduction to malfunction 2 Token and type malfunction 3 Misfunction Hughes Is Software Malfunction an Oxymoron?

  5. An introduction to malfunction Token and type malfunction Misfunction Outline 1 An introduction to malfunction 2 Token and type malfunction 3 Misfunction Hughes Is Software Malfunction an Oxymoron?

  6. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” Hughes Is Software Malfunction an Oxymoron?

  7. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” Hughes Is Software Malfunction an Oxymoron?

  8. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” Hughes Is Software Malfunction an Oxymoron?

  9. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” “The magician’s assistant is for distracting the audience.” Hughes Is Software Malfunction an Oxymoron?

  10. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” “The magician’s assistant is for distracting the audience.” “The subroutine ensures that the user is authorized.” Hughes Is Software Malfunction an Oxymoron?

  11. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” “The magician’s assistant is for distracting the audience.” “The subroutine ensures that the user is authorized.” We ascribe functions to biological stuff, Hughes Is Software Malfunction an Oxymoron?

  12. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” “The magician’s assistant is for distracting the audience.” “The subroutine ensures that the user is authorized.” We ascribe functions to biological stuff, artifacts, Hughes Is Software Malfunction an Oxymoron?

  13. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” “The magician’s assistant is for distracting the audience.” “The subroutine ensures that the user is authorized.” We ascribe functions to biological stuff, artifacts, personal roles, Hughes Is Software Malfunction an Oxymoron?

  14. An introduction to malfunction Token and type malfunction Misfunction Function-bearers Some things have functions. We can ask, “What is it for?” “The function of the heart is to pump blood.” “That switch mutes the television.” “The magician’s assistant is for distracting the audience.” “The subroutine ensures that the user is authorized.” We ascribe functions to biological stuff, artifacts, personal roles, software. . . Hughes Is Software Malfunction an Oxymoron?

  15. An introduction to malfunction Token and type malfunction Misfunction Malfunction A truism: Things don’t always work like they should. Hughes Is Software Malfunction an Oxymoron?

  16. An introduction to malfunction Token and type malfunction Misfunction Malfunction A truism: Things don’t always work like they should. “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) Hughes Is Software Malfunction an Oxymoron?

  17. An introduction to malfunction Token and type malfunction Misfunction Malfunction A truism: Things don’t always work like they should. “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) “a biological part functions properly when it can do what it was selected for and malfunctions when it cannot.” (Neander, 1995) Hughes Is Software Malfunction an Oxymoron?

  18. An introduction to malfunction Token and type malfunction Misfunction Malfunction A truism: Things don’t always work like they should. “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) “a biological part functions properly when it can do what it was selected for and malfunctions when it cannot.” (Neander, 1995) “If you can say what a thing is supposed to do, then you can also say when it is failing to do something that it is supposed to do, that is, malfunctioning.” (Preston, 1998) Hughes Is Software Malfunction an Oxymoron?

  19. An introduction to malfunction Token and type malfunction Misfunction Malfunction A truism: Things don’t always work like they should. “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) “a biological part functions properly when it can do what it was selected for and malfunctions when it cannot.” (Neander, 1995) “If you can say what a thing is supposed to do, then you can also say when it is failing to do something that it is supposed to do, that is, malfunctioning.” (Preston, 1998) “It is of the essence of purposes and intentions [and hence, of functions] that they are not always fulfilled.” (Millikan, 1989) Hughes Is Software Malfunction an Oxymoron?

  20. An introduction to malfunction Token and type malfunction Misfunction Malfunction A truism: Things don’t always work like they should. “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) “a biological part functions properly when it can do what it was selected for and malfunctions when it cannot.” (Neander, 1995) “If you can say what a thing is supposed to do, then you can also say when it is failing to do something that it is supposed to do, that is, malfunctioning.” (Preston, 1998) “It is of the essence of purposes and intentions [and hence, of functions] that they are not always fulfilled.” (Millikan, 1989) In sum: Function-bearers are capable of malfunction. Hughes Is Software Malfunction an Oxymoron?

  21. An introduction to malfunction Token and type malfunction Misfunction Outline 1 An introduction to malfunction 2 Token and type malfunction 3 Misfunction Hughes Is Software Malfunction an Oxymoron?

  22. An introduction to malfunction Token and type malfunction Misfunction Token malfunction “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) Hughes Is Software Malfunction an Oxymoron?

  23. An introduction to malfunction Token and type malfunction Misfunction Token malfunction “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) Token dysfunction (strong) A token dysfunctions if it cannot perform its function. Hughes Is Software Malfunction an Oxymoron?

  24. An introduction to malfunction Token and type malfunction Misfunction Token malfunction “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) Token dysfunction (strong) A token dysfunctions if it cannot perform its function. But what about a TV with poor reception? Hughes Is Software Malfunction an Oxymoron?

  25. An introduction to malfunction Token and type malfunction Misfunction Token malfunction “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) Token dysfunction (weak) A token dysfunctions if it cannot perform its function reliably or effectively . Hughes Is Software Malfunction an Oxymoron?

  26. An introduction to malfunction Token and type malfunction Misfunction Token malfunction “An obvious fact about function categories is that their members can always be defective. . . ” (Millikan, 1989) Token dysfunction (weak) A token dysfunctions if it cannot perform its function reliably or effectively . Reliably: How likely the goal is achieved. Hughes Is Software Malfunction an Oxymoron?

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