theorem instCoeRoleRealizableEntity._proof_1
theorem instCoeRoleRealizableEntity._proof_1: ∀ (v : qszr71sj.Role), qszr71sj.RealizableEntity.Is (Subtype.val v)
theorem instCoeRoleRealizableEntity._proof_1
theorem instCoeRoleRealizableEntity._proof_1: ∀ (v : qszr71sj.Role), qszr71sj.RealizableEntity.Is (Subtype.val v)