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Week 3: Ex4 #4

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BertLisser opened this issue Sep 27, 2017 · 0 comments
Open

Week 3: Ex4 #4

BertLisser opened this issue Sep 27, 2017 · 0 comments

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@BertLisser
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BertLisser commented Sep 27, 2017 •
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conv2cnf :: Form -> Form
conv2cnf f = simplify (cnjOfDsj (nnf (arrowfree f)))

Mistake

toCNF :: Form ->  Form
toCNF f = (nnf . arrowfree) f

must be

toCNF :: Form ->  Form
toCNF f =  conv2cnf  f

Original nice solution. However I think there is a bug in conv2cnf , for that reason the test doesn't
terminate. But there is already a remark about it at exercise 3.

Good (=8)
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@BertLisser