Ur/Web: lib/ur/incl.urs annotate

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author	Adam Chlipala <adam@chlipala.net>
date	Tue, 10 Aug 2010 14:52:33 -0400
parents	0b1d666bddb4
children

rev	line source
adamc@1180	1 con incl :: K --> {K} -> {K} -> Type
adamc@1180	2
adamc@1180	3 val incl : K --> r1 :: {K} -> r2 :: {K} -> [r1 ~ r2] => incl r1 (r1 ++ r2)
adamc@1180	4 val proj : r1 ::: {Type} -> r2 ::: {Type} -> incl r1 r2 -> $r2 -> $r1
adamc@1180	5
adamc@1182	6 val inv1 : K --> nm :: Name -> t :: K -> r :: {K} -> r' :: {K}
adamc@1180	7 -> [[nm] ~ r] =>
adamc@1180	8 f :: (Name -> K -> {K} -> Type)
adamc@1180	9 -> incl ([nm = t] ++ r) r'
adamc@1180	10 -> (nm :: Name -> t :: K -> r :: {K} -> [[nm] ~ r] => f nm t ([nm = t] ++ r))
adamc@1180	11 -> f nm t r'
adamc@1181	12 val inv2 : K --> nm :: Name -> t :: K -> r :: {K} -> r' :: {K}
adamc@1180	13 -> [[nm] ~ r] =>
adamc@1180	14 incl ([nm = t] ++ r) r' -> incl r r'
adamc@1180	15
adamc@1180	16 val fold : K --> tf :: ({K} -> Type) -> r ::: {K}
adamc@1180	17 -> (nm :: Name -> v :: K -> r' :: {K}
adamc@1180	18 -> [[nm] ~ r'] => incl ([nm = v] ++ r') r -> tf r' -> tf ([nm = v] ++ r'))
adamc@1180	19 -> tf []
adamc@1180	20 -> folder r -> tf r

Mercurial > urweb