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jfschaefer
Member for 2 months
29 posts
Subject: Assignment 2 (PLNQ Proof Rules in MMT)
Dear all,

as discussed in the lecture on Wednesday, we have a second homework assignment: Finish the PLNQ proof rules that we started in the lecture.
You can find the assignment here: https://kwarc.info/teaching/LBS/assignment.pdf
A list of all assignments of this course is here: https://kwarc.info/teaching/LBS/assignments.pdf

In order to do the homework, you will have to install MMT. Installation instructions are here: https://uniformal.github.io//doc/setup/
MMT should run Linux, Mac OS and Windows.
It would be great if you try to set it up already - if you have any problems feel free to post here. We can also discuss any issues with MMT (installation/usage) during the lecture on Wednesday.

One more note regarding the editor: There are two supported editors for MMT - jEdit and IntelliJ. jEdit is a light-weight editor, but not particularly great (in my opinion). Therefore we generally recommend the bigger IntelliJ IDE (though jEdit completely suffices for this course). If you decide to give IntelliJ a try you should know that you can get a student license with your university email address.

Frederik
PelinGenc
Member since Apr 2018
15 posts
Hi Frederik,

last week at the end of the lecture, Mathub worked perfect, but now I am having trouble with opening.

It gives an error:
     Cannot start compiler: the SDK is not specified for module "MMT-content".
     Specify the SDK in the Project Structure dialog.

Can you see the problem here?

Best,
Pelin
jfschaefer
Member for 2 months
29 posts
Hi Pelin,

maybe you can use it despite the error?

Otherwise: You can go to File -> Project Structure and maybe see what's going on there. I don't have a project SDK specified, but it works for me without a problem.
However, in the platform settings I have Java (version 1.8) listed in the SDKs.

Does any of this help you?

Best,
Frederik
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