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typed equality

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rhiannon morris 2023-02-10 21:40:44 +01:00
parent 3b13f0a82c
commit 42798f243f
8 changed files with 410 additions and 250 deletions
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22
lib/Quox/Syntax/Term/Subst.idr
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@ -184,17 +184,35 @@ comp : DSubst dfrom dto -> TSubst q dfrom from mid -> TSubst q dto mid to ->
comp th ps ph = map (/// th) ps . ph
public export %inline
dweakT : {by : Nat} -> Term q d n -> Term q (by + d) n
dweakT t = t /// shift by
public export %inline
dweakE : {by : Nat} -> Elim q d n -> Elim q (by + d) n
dweakE t = t /// shift by
public export %inline
weakT : {default 1 by : Nat} -> Term q d n -> Term q d (by + n)
weakT t = t //. shift by
public export %inline
weakE : {default 1 by : Nat} -> Elim q d n -> Elim q d (by + n)
weakE t = t //. shift by
namespace ScopeTermN
export %inline
(.term) : {s : Nat} -> ScopeTermN s q d n -> Term q d (s + n)
(TUsed body).term = body
(TUnused body).term = body //. shift s
(TUnused body).term = weakT body {by = s}
namespace DScopeTermN
export %inline
(.term) : {s : Nat} -> DScopeTermN s q d n -> Term q (s + d) n
(DUsed body).term = body
(DUnused body).term = body /// shift s
(DUnused body).term = dweakT body {by = s}
export %inline