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remove a believe_me

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rhiannon morris 2022-11-01 21:05:04 +01:00
parent e1a9d99514
commit e7272333cb
1 changed files with 8 additions and 1 deletions
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9
lib/Quox/Syntax/Shift.idr
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@ -110,7 +110,14 @@ export
ssDownEqv SZ = EqSS EqSZ ssDownEqv SZ = EqSS EqSZ
ssDownEqv (SS by) = EqSS $ ssDownEqv by ssDownEqv (SS by) = EqSS $ ssDownEqv by
%transform "Shift.ssDown" ssDown by = believe_me (SS by) private
ssDownViaNat : Shift (S from) to -> Shift from to
ssDownViaNat by =
rewrite shiftDiff by in
rewrite sym $ plusSuccRightSucc by.nat from in
fromNat $ S by.nat
%transform "Shift.ssDown" ssDown = ssDownViaNat
public export public export