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Getting started

Warthog is written in Scala and we use SBT as our build tool. A good place to get the necessary tools, documentation and help is the Typesafe homepage.

Once you have installed Scala and SBT, you can just run

$ sbt console

within the Warthog directory to start a console with the necessary Warthog files compiled and already imported.

You can test if everything works by executing the following code on the console:

scala> val phi = "(x & y => ~x & ~y) & x & y".pl
scala> import org.warthog.pl.knowledgecompilation.bdd.BDDManager
scala> val m = new BDDManager()
scala> m.isContradiction(m.mkBDD(phi))

This code creates a formula phi (x & y => ~x & ~y) & x & y, create a BDD for phi and check if it's a contradiction. This should output true since the phi is indeed a contradiction.

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