try brew install icu4c. Note that this installs ICU in a non- standard location. You may need to set export PKG_CONFIG_PATH="$(brew --prefix)/opt/icu4c/lib/pkgconfig" See brew info icu4c for details environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually program using cabal or stack run the following command: agda-mode setup The above command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to

environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually program using cabal or stack run the following command: agda-mode setup The above command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to echo "standard-library" > ~/.agda/defaults The second command tries to set up the Agda emacs mode. Skip this if you don’t want to set up the emacs mode. See Installation from source above for more details

environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually program using cabal or stack run the following command: agda-mode setup The above command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to echo "standard-library" > ~/.agda/defaults The second command tries to set up the Agda emacs mode. Skip this if you don’t want to set up the emacs mode. See Installation from source above for more details

environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually program using cabal or stack run the following command: agda-mode setup The above command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to echo "standard-library" > ~/.agda/defaults The second command tries to set up the Agda emacs mode. Skip this if you don’t want to set up the emacs mode. See Installation from source above for more details

the following commands: cabal update cabal install Agda agda-mode setup The last command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to +ℤ (p' , n') = (p + p') , (n + n') -ℤ_ : ℤ → ℤ -ℤ (p , n) = (n , p) _≡ℤ_ : (x y : ℤ) → Set (p , n) ≡ℤ (p' , n') = (p + n') ≡ (p' + n) private postulate +comm : ∀ n m → (n type module Agda.Builtin.Unit The unit type is bound to the built-in UNIT as follows: record ⊤ : Set where {-# BUILTIN UNIT ⊤ #-} Agda needs to know about the unit type since some of the primitive operations

the following commands: cabal update cabal install Agda agda-mode setup The last command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to +ℤ (p' , n') = (p + p') , (n + n') -ℤ_ : ℤ → ℤ -ℤ (p , n) = (n , p) _≡ℤ_ : (x y : ℤ) → Set (p , n) ≡ℤ (p' , n') = (p + n') ≡ (p' + n) private postulate +comm : ∀ n m → (n type module Agda.Builtin.Unit The unit type is bound to the built-in UNIT as follows: record ⊤ : Set where {-# BUILTIN UNIT ⊤ #-} Agda needs to know about the unit type since some of the primitive operations

environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually program using cabal or stack run the following command: agda-mode setup The above command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to +ℤ (p' , n') = (p + p') , (n + n') -ℤ_ : ℤ → ℤ -ℤ (p , n) = (n , p) _≡ℤ_ : (x y : ℤ) → Set (p , n) ≡ℤ (p' , n') = (p + n') ≡ (p' + n) private postulate +comm : ∀ n m → (n

the following commands: cabal update cabal install Agda agda-mode setup The last command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually +ℤ (p' , n') = (p + p') , (n + n') -ℤ_ : ℤ → ℤ -ℤ (p , n) = (n , p) _≡ℤ_ : (x y : ℤ) → Set (p , n) ≡ℤ (p' , n') = (p + n') ≡ (p' + n) private postulate +comm : ∀ n m → (n

the following commands: cabal update cabal install Agda agda-mode setup The last command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually +ℤ (p' , n') = (p + p') , (n + n') -ℤ_ : ℤ → ℤ -ℤ (p , n) = (n , p) _≡ℤ_ : (x y : ℤ) → Set (p , n) ≡ℤ (p' , n') = (p + n') ≡ (p' + n) private postulate +comm : ∀ n m → (n

the following commands: cabal update cabal install Agda agda-mode setup The last command tries to set up Emacs for use with Agda via the Emacs mode. As an alternative you can copy the following text to environment by running: cabal v2-install --package-env agda --lib Agda ieee754 You then have to set the GHC_ENVIRONMENT when you invoke Agda: GHC_ENVIRONMENT=agda agda -c hello-world.agda Note Actually +ℤ (p' , n') = (p + p') , (n + n') -ℤ_ : ℤ → ℤ -ℤ (p , n) = (n , p) _≡ℤ_ : (x y : ℤ) → Set (p , n) ≡ℤ (p' , n') = (p + n') ≡ (p' + n) private postulate +comm : ∀ n m → (n