commit 10237b7386c294beeea1eab14b9d38c82cdfa2b1
Author: Peter <peterr.00000@gmail.com>
Date:   Sun Aug 6 17:51:54 2023 +0800

    Lab 1

diff --git a/README.md b/README.md
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+++ b/README.md
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+# CITS3007 labs
+
+All labs are not assessed and are freely available online, therefore this does not constitute misconduct.
+
+https://teaching.csse.uwa.edu.au/units/CITS3005/
diff --git a/hello_world.pl b/hello_world.pl
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+++ b/hello_world.pl
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+main :- write('hello world').
+# run file with
+# [hello_world], main.
\ No newline at end of file
diff --git a/lab1-logic-programming.pl b/lab1-logic-programming.pl
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+% Lab 1 - logic programming
+% LABSHEET:
+% https://teaching.csse.uwa.edu.au/units/CITS3005/labs/lab01-logic-programming.pdf
+
+student(jane).
+student(tim).
+student(cris).
+
+unit(cits3005).
+unit(cits2211).
+
+prerequisite(cits2211,cits3005).
+
+mark(cits3005,jane,Result) :- Result is 50.
+mark(cits2211,jane,Result) :- Result is 57.
+
+mark(cits2211,tim,Result) :- Result is 30.
+
+mark(cits2211,cris,Result) :- Result is 60.
+
+eligible(Student,Unit) :- 
+    student(Student),
+    unit(Unit),
+    (
+        % CASE 1: Unit has no prerequisites
+        \+ prerequisite(_, Unit),
+        !;
+        
+        % CASE 2: Unit has prerequisites AND Student's mark in the prerequisite unit >= 50
+        prerequisite(PreUnit,Unit),
+        mark(PreUnit,Student,Result),
+        Result >= 50
+    ).