Here you can ask questions and find or give answers to organizational, academic and other questions about studying computer science.

1.1k questions

1.3k answers

1.7k comments

557 users

0 votes

Equations to Clause Form for Basic Operators

The question is to write CNF form for x ↔ (y1 ↔ y2)

(x|!y1|y2)&(x|y1|!y2)&(!x|y1|!y2)&(!x|!y1|y2)

Is above written formula a possible solution? As the exercise tool says its wrong.

VG,

Chut

in * TF "Alg. and Deduction" by (310 points)

1 Answer

0 votes

Yes, they are different: just look at their BDDs which are shown below (root nodes are the two labeled with y2):

by (170k points)
The correct solution would be (x|y1|y2)&(x|!y1|!y2)&(!x|y1|!y2)&(!x|!y1|y2).

Related questions

Imprint | Privacy Policy
...