INDUSTRIAL LAW - termination of employment of a worker who struck his supervisor - whether employer had a valid reason connected with the employee's conduct - whether relatively trivial nature of assault, officious behaviour of supervisor, and marital stress visited upon worker very shortly before, enabled Court to find the reason relied on not valid - whether hardship to worker could be taken into account - construction of s 170DE(1) of the former Industrial Relations Act 1988 - effect of High Court decision in Victoria v The Commonwealth - whether decision of Full Federal Court in Cosco Holdings Pty Ltd v Do or decision of Full Industrial Relations Court in Murdoch University v Mainsbridge should be followed - whether a "valid reason" within the section is one that is sound, defensible or well-founded - whether the conduct alleged must have actually occurred. - [1998] FCA 865 - FCA 1998 case summary — Zoe