theorem Sandwich.Hotdog.At.toParenttheorem Sandwich.Hotdog.At.toParent: ∀ (x t : Type) [At x t], Food.At x t
Published by @uksspy · Jul 13, 2026
View source in v289fr59
v289fr59
Definitional, with no premises to accept.
Sandwich.Hotdog.At.toParent
definitional fact