Legal Inferencing Project

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This is a demonstration of rule-based inferencing using the ysh inferencing engine and the wysh interface, written for the Computerisation of Law course at the University of New South Wales Faculty of Law. This material must not be relied upon or used for the purposes of legal advice.

This is a template for WYSH code which is embedded in a swiki. For ordinary swiki pages, just edit to taste... :) Put any comments about your code or page here

 COPYRIGHT ACT 1968 - SECT 95

  
 Duration of copyright in television broadcasts and sound broadcasts

  SECT.

 (1) Copyright subsisting in a television broadcast or sound broadcast 
     by virtue of this Part continues to subsist until the expiration 
     of 50 years after the expiration of the calendar year in which 
     the broadcast was made.

 (2) In so far as a television broadcast or sound broadcast is a 
     repetition (whether the first or a subsequent repetition) of a 
     previous television broadcast or sound broadcast to which section 
     91 applies, and is made by broadcasting visual images or sounds 
     embodied in any article or thing:

  (a) if it is made before the expiration of the period of 50
      years after the expiration of the calendar year in which the 
      previous broadcast was made--any copyright subsisting in it 
      expires at the expiration of that period; and

  (b) if it is made after the expiration of that period--copyright 
      does not subsist in it by virtue of this Part. 



  

INCLUDE http://wysh0.austlii.edu.au:8000/TestbedSwiki.209

THING the broadcast

GOAL RULE Copyright Act 1968 s95 PROVIDES

 IF 
   Copyright is subsisting in a broadcast by virtue of this Part 
   AND 
     BEGIN
        the broadcast is television broadcast OR
        the broadcast is sound broadcast
     END
 THEN 
   The copyright subsists until the expiration of 50 years after the 
   expiration of the calendar year in which the broadcast was made
   
 ELSE 
   IF
     a broadcast is a repetition of a previous broadcast AND
      BEGIN 
        s91 (a)-(b) applies OR
        s91 (c)-(d) applies
      END
     AND 
      BEGIN
        the broadcast is television broadcast OR
        the broadcast is sound broadcast
      END
    AND
      BEGIN
        the broadcast is made by broadcasting visual images OR
        sounds are embodied in any article or thing 
      END
    AND 
     the repetition is made before the expiration of the period of 50
     years after the expiration of the calendar year in which the     
     previous broadast was made
  THEN 
     any copyright subsisting in the broadcast expires at the 
     expiration of the period of 50 years after the expiration of the
     calendar in which the broadcast was made 
  ELSE
    IF
     the broadcast is made after the expiration of the period of 50 
     years after the expiration of the calendar year in which the 
     previous broadcast was made 
    THEN 
     copyright does not subsist in the broadcast by virtue of this 
     part.

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