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Ass1 Q7 + Q12

Posted by nobbie 
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Ass1 Q7 + Q12
October 23, 2008 09:37AM

While preparing for the exam, i came across these problems with the model answers for Assignment 1: Question 7 and 12.

Question 7:
Pg16 of Cohen states that the closure of the empty language contains the null string. Model answer for Q16 (option1) of assignment 1 also states this; which contradicts the model answer for Q7.

Question 12:
The model answer lists the 3rd option as correct where S* != T*; however the question was where S* = T*

Hopefully we will have up to 0.25% added to our final year mark because of this.

I have emailed the lecturers and will post their feedback.
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