theorem Dictionary.instContradictoryBeliefIsToParent
theorem Dictionary.instContradictoryBeliefIsToParent: ∀ (x : Type) [ContradictoryBelief.Is x], Belief.Is x
theorem Dictionary.instContradictoryBeliefIsToParent
theorem Dictionary.instContradictoryBeliefIsToParent: ∀ (x : Type) [ContradictoryBelief.Is x], Belief.Is x