@davetchepak rev :: [a] -> [a]; rev [] = []; ∀x. rev [x] == [x]; ∀ xy. rev (x ++ y) == rev y ++ rev x -- more is redundant @liammclennan
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@davetchepak rev :: [a] -> [a]; rev [] = []; ∀x. rev [x] == [x]; ∀ xy. rev (x ++ y) == rev y ++ rev x -- more is redundant @liammclennan