theorem Dictionary.instCoeDepTypeObservationOfIs._proof_1
theorem Dictionary.instCoeDepTypeObservationOfIs._proof_1: ∀ (x : Type) [c1n0kwdq.Dictionary.Observation.Is x], c1n0kwdq.Dictionary.Observation.Is x
theorem Dictionary.instCoeDepTypeObservationOfIs._proof_1
theorem Dictionary.instCoeDepTypeObservationOfIs._proof_1: ∀ (x : Type) [c1n0kwdq.Dictionary.Observation.Is x], c1n0kwdq.Dictionary.Observation.Is x