gapt.proofs.lk.rules.ContractionRule.scala Maven / Gradle / Ivy

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General Architecture for Proof Theory

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package gapt.proofs.lk.rules

import gapt.expr.formula.Formula
import gapt.proofs.SequentIndex

abstract class ContractionRule extends UnaryLKProof with CommonRule {
  def aux1: SequentIndex
  def aux2: SequentIndex

  override def auxIndices: Seq[Seq[SequentIndex]] = Seq(Seq(aux1, aux2))

  val mainFormula: Formula = premise(aux1)
}