theorem Dictionary.instBeliefSystemIsToParent
theorem Dictionary.instBeliefSystemIsToParent: ∀ (x : Type) [BeliefSystem.Is x], GenericallyDependentContinuant.Is x
theorem Dictionary.instBeliefSystemIsToParent
theorem Dictionary.instBeliefSystemIsToParent: ∀ (x : Type) [BeliefSystem.Is x], GenericallyDependentContinuant.Is x