В
Size: a a a
В
T
Т8
T
G
DS
map-id₂ : ∀ {f : A → A} {xs} → All (λ x → f x ≡ x) xs → map f xs ≡ xs
map-id₂ [] = refl
map-id₂ (fx≡x ∷ pxs) = P.cong₂ _∷_ fx≡x (map-id₂ pxs)
Т8
RP
Т8
G
G
Т8
В
^/ — коммент через //, а ^shift+/ — через /**/.Т8
map-id₂ : ∀ {f : A → A} {xs} → All (λ x → f x ≡ x) xs → map f xs ≡ xs
map-id₂ [] = refl
map-id₂ (fx≡x ∷ pxs) = P.cong₂ _∷_ fx≡x (map-id₂ pxs)
RP
Т8
Т8
DS