added Quest0SideQuests/TrueNotFalse.agda

1FundamentalGroup/Quest0SideQuests/TrueNotFalse.agda

@@ -0,0 +1,9 @@
+module 1FundamentalGroup.Quest0SideQuests.TrueNotFalse where
+
+open import Cubical.Data.Empty
+open import Cubical.Data.Unit renaming ( Unit to ⊤ )
+open import Cubical.Data.Bool using (Bool ; true ; false)
+open import Cubical.Foundations.Prelude
+
+true≢false : true ≡ false → ⊥
+true≢false = {!!}

1FundamentalGroup/Quest0SideQuests/TrueNotFalseSolutions.agda

@@ -1,12 +1,12 @@
-module 1FundamentalGroup.Quest0SideQuests.SideQuest0 where
+module 1FundamentalGroup.Quest0SideQuests.TrueNotFalseSolutions where
 
 open import Cubical.Data.Empty
 open import Cubical.Data.Unit renaming ( Unit to ⊤ )
-open import Cubical.Data.Bool
+open import Cubical.Data.Bool using (Bool ; true ; false)
 open import Cubical.Foundations.Prelude
 
-true≢false' : true ≡ false → ⊥
+true≢false : true ≡ false → ⊥
-true≢false' h = transport ⊤≡⊥ tt where
+true≢false h = transport ⊤≡⊥ tt where
 
   propify : Bool → Type
   propify false = ⊥