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Simplify typing rule for App #45

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merged 1 commit into from
Sep 26, 2024
Merged

Simplify typing rule for App #45

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6 changes: 3 additions & 3 deletions src/Agda/Core/Typechecker.agda
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Original file line number Diff line number Diff line change
Expand Up @@ -101,10 +101,10 @@ inferApp ctx u v = do
⟨ x ⟩ (at , rt) ⟨ rtp ⟩ ← reduceToPi r (unType tu)
"couldn't reduce term to a pi type"
gtv ← checkType ctx v at
let sf = piSort (typeSort at) (typeSort rt)
let tytype = substTop r v rt
gc = CRedL rtp CRefl
tytype = substTop r v rt
return (tytype , TyApp gtu gc gtv)
gtu' = TyConv {b = El (typeSort tu) (TPi x at rt)} gtu gc
return (tytype , TyApp gtu' gtv)
{-# COMPILE AGDA2HS inferApp #-}

inferCase : ∀ {@0 cs} Γ d r u bs rt → TCM (Σ[ t ∈ Type α ] Γ ⊢ TCase {x = x} d r u bs rt ∶ t)
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3 changes: 1 addition & 2 deletions src/Agda/Core/Typing.agda
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Expand Up @@ -105,8 +105,7 @@ data TyTerm {α} Γ where

TyApp
: {b : Type α} {@0 r : Rezz α}
→ Γ ⊢ u ∶ a
→ (unType a) ≅ TPi x b c
→ Γ ⊢ u ∶ El k (TPi x b c)
→ Γ ⊢ v ∶ b
------------------------------------
→ Γ ⊢ TApp u v ∶ substTop r v c
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