theorem Dictionary.instCoeObserverObject._proof_1

theorem Dictionary.instCoeObserverObject._proof_1
theorem Dictionary.instCoeObserverObject._proof_1
: ∀ (v : mbdw2246.Dictionary.Observer), d4qbfhxh.Object.Is (Subtype.val v)

Published by @MetaBias · Jul 24, 2026

View source in mbdw2246

Definitional, with no premises to accept.