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Member since Nov 2017
4 posts
Subject: Questions regarding assignment 7

I have two questions regarding the new assignment 7:

- Will the bonus task in exercise 7.3 give bonus bonus points?
- Which notation should we use for exercise 7.2? In the lecture, there was a tree-like notation (slide 306) and a table notation (slide 311) for ND proofs. Since many of us attended "Grundlagen der Logik in der Informatik" and already know the Fitch notation, is it also okay to use that for these kind of exercises (and in the exam)?

Member since Oct 2019
147 posts
+1 ursa

- The bonus task in 7.3 will give bonus bonus points.
- As for notation, Fitch is ok for the homeworks. I'm not yet sure whether it will be ok for the exam yet.

Member since Dec 2019
6 posts
Subject: number of variables in 7.3

I have one question regarding the problem 7.3
In eval predicate, how many variables should be assigned ? Is it just 2 (a, b), or it can be arbitrary ? (For example, a and b or c impl d)
Member since Oct 2019
147 posts
I'm not sure I understand the question. eval takes three parameters (see example in the assignment): the first is a formula (a impl b in the example), the second a variable assignment, and the third the evaluation of the formula to true or false. The formula could also be a and b or c impl d.

I hope this helps.
Member since Oct 2017
28 posts
Subject: Fitch in the exam?
+1 ursa

so will Fitch be OK in the exam?
Member since Nov 2018
80 posts
Yes, as per
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