diff --git a/book/_main.kind2 b/book/_main.kind2
index 0d227556..3ecec4b0 100644
--- a/book/_main.kind2
+++ b/book/_main.kind2
@@ -1,8 +1,8 @@
 _main
-: ∀(a: Bool) (List Bool)
-= λa
-  use T = Bool.true
-  use F = Bool.false
-  use C = List.cons
-  use N = List.nil
-  (C _ T (C _ ?a (N _)))
\ No newline at end of file
+: use list = 
+    (List.cons _ Nat.zero
+    (List.cons _ (Nat.succ Nat.zero)
+    (List.cons _ (Nat.succ (Nat.succ Nat.zero))
+    (List.nil _))))
+  (The (List Nat) list)
+= ?A
diff --git a/src/main.rs b/src/main.rs
index fd190f2c..45e89e50 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -63,13 +63,13 @@ fn main() {
       match Book::load(arg) {
         Ok(book) => {
           // Auto-formats the definition.
-          let defn = book.defs.get(arg).unwrap();
-          let form = book.format_def(arg, defn).flatten(60);
+          //let defn = book.defs.get(arg).unwrap();
+          //let form = book.format_def(arg, defn).flatten(60);
 
           // Overwrites the original file with the formatted version.
-          File::create(&format!("./{}.kind2", arg))
-            .and_then(|mut file| file.write_all(form.as_bytes()))
-            .unwrap_or_else(|_| panic!("Failed to auto-format '{}.kind2'.", arg));
+          //File::create(&format!("./{}.kind2", arg))
+            //.and_then(|mut file| file.write_all(form.as_bytes()))
+            //.unwrap_or_else(|_| panic!("Failed to auto-format '{}.kind2'.", arg));
 
           // Generates the HVM1 checker.
           //let check_hvm1 = generate_check_hvm1(&book, cmd, arg);
@@ -120,35 +120,3 @@ fn show_help() {
   eprintln!("Usage: kind2 [check|run] <name>");
   std::process::exit(1);
 }
-
-
-
-
-
-//fn main() {
-  //let rope = Rope::node(vec![
-    //Rope::text("Foo"),
-    //Rope::text("Bar"),
-    //Rope::node(vec![
-      //Rope::text("Foo"),
-      //Rope::text("Bar"),
-      //Rope::text("Tic"),
-      //Rope::text("Tac"),
-      //Rope::text("Toe"),
-    //]),
-    //Rope::text("Tac"),
-    //Rope::text("Toe"),
-  //]);
-
-  //println!("{}", rope.flatten(10));
-//}
-
-
-
-
-
-
-
-
-
-
diff --git a/src/term/format.rs b/src/term/format.rs
index cef5a41e..68aece85 100644
--- a/src/term/format.rs
+++ b/src/term/format.rs
@@ -1,11 +1,5 @@
 use crate::{*};
 
-//CONTEXT:
-//./../form/mod.rs//
-//./../term/show.rs//
-//./../book/format.rs//
-//END CONTEXT
-
 impl Oper {
 
   pub fn format(&self) -> Box<Form> {
@@ -23,9 +17,6 @@ impl Term {
   pub fn format_go(&self) -> Box<Form> {
     match self {
       Term::All { .. } => {
-        // 1. collect all nams/inps, until 'bod' isn't an All
-        // 2. this will flatten (∀(a: A) (∀(b: B) (∀(c: C) bod))) as (∀(a: A) ∀(b: B) ∀(c: C) bod)
-        // 3. glue the nams/inps, and return pile(nam_inps, bod)
         let mut bnd = vec![];
         let mut bod = self;
         while let Term::All { nam, inp, bod: in_bod } = bod {
@@ -46,10 +37,6 @@ impl Term {
         ])
       },
       Term::Lam { .. } => {
-        // 1. collect all nams, until 'bod' isn't a Lam
-        // 2. this will flatten (λa (λb (λc bod))) as (λa λb λc bod)
-        // 3. glue the lambdas, and return pile(bnd, bod)
-        // 4. note: in the output, each name must have a λ before it
         let mut bnd = vec![];
         let mut bod = self;
         while let Term::Lam { nam, bod: in_bod } = bod {
@@ -62,12 +49,6 @@ impl Term {
         ])
       },
       Term::App { .. } => {
-        // 1. collect all args, until 'fun' isn't an App
-        // 2. this will flatten (((f x) y) z ...) as (f x y z ...)
-        // 3. create a new vec, and add glue(["(",fun.format()]) to it
-        // 4. for each argument, add arg.format() to the vec
-        // 5. complete the vec with ")"
-        // 6. return call(vec)
         let mut fun = self;
         let mut spn = vec![];
         while let Term::App { fun: in_fun, arg } = fun {