Merge branch 'dev' of github.com:plfa/plfa.github.io into dev

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wadler 2021-08-29 10:33:10 +01:00
commit 6ea7439507

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@ -990,7 +990,7 @@ You will need to use extensionality.
#### Exercise `All-∀` (practice)
Show that `All P xs` is isomorphic to `∀ {x} → x ∈ xs → P x`.
Show that `All P xs` is isomorphic to `∀ x → x ∈ xs → P x`.
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