object fixDerivation

Sometimes, we have a resolution refutation R of a set of clauses C and want a refutation R' of a set C' such that C implies C'.

This algorithm tries to obtain R' by trying to replace clauses c from C in R by derivations of C from C'.

In general, if R is a derivation of a clause c, the result R' of fixDerivation(R) is a derivation of a subclause of c.

Source
fixDerivation.scala
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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply(p: ResolutionProof, endSequent: HOLSequent): ResolutionProof
  5. def apply(p: ResolutionProof, cs: Seq[HOLClause]): ResolutionProof
  6. def apply(p: ResolutionProof, cs: Traversable[HOLClause]): ResolutionProof
  7. def apply(p: ResolutionProof, cs: Iterable[ResolutionProof]): ResolutionProof
  8. final def asInstanceOf[T0]: T0
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  19. final def synchronized[T0](arg0: ⇒ T0): T0
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  20. def toString(): String
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  21. def tryDeriveBySubsumptionModEq(to: HOLClause, from: HOLClause): Option[ResolutionProof]
  22. def tryDeriveTrivial(to: HOLClause, from: Seq[HOLClause]): Option[InitialClause with Serializable]
  23. def tryDeriveViaResolution(to: HOLClause, from: Seq[HOLClause]): Option[ResolutionProof]
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  26. final def wait(arg0: Long): Unit
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  27. object matchingModEq extends syntacticMatching

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