deletions | additions       diff --git a/Lecture_4_Guest_lecture_by__.md b/Lecture_4_Guest_lecture_by__.md  index 1ac2edb..d5e06c7 100644  --- a/Lecture_4_Guest_lecture_by__.md  +++ b/Lecture_4_Guest_lecture_by__.md 
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What are the implications of letting go of terra nullius doctrine for perceptions of who are the makers in Melbourne and broader society?  Guilds -. ->  trade societies -> mutual benefit societies ->   Common Law 1662 about "freedom" from poverty   
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