diff --git a/Cargo.toml b/Cargo.toml
index 0a57fd3..429541c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,8 @@ edition = "2018"
 name = "laddertypes"
 version = "0.1.0"
 
+[dependencies]
+tiny-ansi = { version = "0.1.0", optional = true }
+
+[features]
+pretty = ["dep:tiny-ansi"]
diff --git a/src/dict.rs b/src/dict.rs
index 93bb6ec..419d599 100644
--- a/src/dict.rs
+++ b/src/dict.rs
@@ -54,6 +54,10 @@ impl TypeDict {
     pub fn get_typeid(&self, tn: &String) -> Option<TypeID> {
         self.typenames.mλ.get(tn).cloned()
     }
+
+    pub fn get_varname(&self, var_id: u64) -> Option<String> {
+        self.typenames.my.get(&TypeID::Var(var_id)).cloned()
+    }
 }
 
 //<<<<>>>><<>><><<>><<<*>>><<>><><<>><<<<>>>>
diff --git a/src/lib.rs b/src/lib.rs
index 5cdff81..c1f8d05 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,6 +5,7 @@ pub mod term;
 pub mod lexer;
 pub mod parser;
 pub mod unparser;
+pub mod sugar;
 pub mod curry;
 pub mod lnf;
 pub mod pnf;
@@ -16,9 +17,13 @@ pub mod steiner_tree;
 #[cfg(test)]
 mod test;
 
+#[cfg(feature = "pretty")]
+mod pretty;
+
 pub use {
     dict::*,
     term::*,
+    sugar::*,
     unification::*,
     morphism::*
 };
diff --git a/src/pretty.rs b/src/pretty.rs
new file mode 100644
index 0000000..1a4aa60
--- /dev/null
+++ b/src/pretty.rs
@@ -0,0 +1,148 @@
+use {
+    crate::TypeDict,
+    crate::sugar::SugaredTypeTerm,
+    tiny_ansi::TinyAnsi
+};
+
+impl SugaredTypeTerm {
+    pub fn pretty(&self, dict: &TypeDict, indent: u64) -> String {
+        let indent_width = 4;
+        match self {
+            SugaredTypeTerm::TypeID(id) => {
+                format!("{}", dict.get_typename(id).unwrap_or("??".bright_red())).bright_blue()
+            },
+
+            SugaredTypeTerm::Num(n) => {
+                format!("{}", n).bright_cyan()
+            }
+
+            SugaredTypeTerm::Char(c) => {
+                format!("'{}'", c)
+            }
+
+            SugaredTypeTerm::Univ(t) => {
+                format!("{} {} . {}",
+                    "∀".yellow().bold(),
+                    dict.get_varname(0).unwrap_or("??".into()).bright_blue(),
+                    t.pretty(dict,indent)
+                )
+            }
+
+            SugaredTypeTerm::Spec(args) => {
+                let mut s = String::new();
+                s.push_str(&"<".yellow().bold());
+                for i in 0..args.len() {
+                    let arg = &args[i];
+                    if i > 0 {
+                        s.push(' ');
+                    }
+                    s.push_str( &arg.pretty(dict,indent+1) );
+                }
+                s.push_str(&">".yellow().bold());
+                s
+            }
+
+            SugaredTypeTerm::Struct(args) => {
+                let mut s = String::new();
+                s.push_str(&"{".yellow().bold());
+                for arg in args {
+                    s.push('\n');
+                    for x in 0..(indent+1)*indent_width {
+                        s.push(' ');
+                    }
+                    s.push_str(&arg.pretty(dict, indent + 1));
+                    s.push_str(&";\n".bright_yellow());
+                }
+
+                s.push('\n');
+                for x in 0..indent*indent_width {
+                    s.push(' ');
+                }
+                s.push_str(&"}".yellow().bold());
+                s
+            }
+
+            SugaredTypeTerm::Enum(args) => {
+                let mut s = String::new();
+                s.push_str(&"(".yellow().bold());
+                for i in 0..args.len() {
+                    let arg = &args[i];
+                    s.push('\n');
+                    for x in 0..(indent+1)*indent_width {
+                        s.push(' ');
+                    }
+                    if i > 0 {
+                        s.push_str(&"| ".yellow().bold());
+                    }
+                    s.push_str(&arg.pretty(dict, indent + 1));
+                }
+
+                s.push('\n');
+                for x in 0..indent*indent_width {
+                    s.push(' ');
+                }
+                s.push_str(&")".yellow().bold());
+                s
+            }
+
+            SugaredTypeTerm::Seq(args) => {
+                let mut s = String::new();
+                s.push_str(&"[ ".yellow().bold());
+                for i in 0..args.len() {
+                    let arg = &args[i];
+                    if i > 0 {
+                        s.push(' ');
+                    }
+                    s.push_str(&arg.pretty(dict, indent+1));
+                }
+                s.push_str(&" ]".yellow().bold());
+                s
+            }
+
+            SugaredTypeTerm::Morph(args) => {
+                let mut s = String::new();
+                for arg in args {
+                    s.push_str(&"  ~~morph~~>  ".bright_yellow());
+                    s.push_str(&arg.pretty(dict, indent));
+                }
+                s
+            }
+
+            SugaredTypeTerm::Func(args) => {
+                let mut s = String::new();
+                for i in 0..args.len() {
+                    let arg = &args[i];
+                    if i > 0{
+                        s.push('\n');
+                        for x in 0..(indent*indent_width) {
+                            s.push(' ');
+                        }                
+                        s.push_str(&"-->  ".bright_yellow());
+                    } else {
+//                        s.push_str("   ");
+                    }
+                    s.push_str(&arg.pretty(dict, indent));
+                }
+                s
+            }
+
+            SugaredTypeTerm::Ladder(rungs) => {
+                let mut s = String::new();
+                for i in 0..rungs.len() {
+                    let rung = &rungs[i];
+                    if i > 0{
+                        s.push('\n');
+                        for x in 0..(indent*indent_width) {
+                            s.push(' ');
+                        }
+                        s.push_str(&"~ ".yellow());
+                    }
+                    s.push_str(&rung.pretty(dict, indent));
+                }
+                s
+            }
+        }
+    }
+}
+
+
diff --git a/src/sugar.rs b/src/sugar.rs
new file mode 100644
index 0000000..4d13f78
--- /dev/null
+++ b/src/sugar.rs
@@ -0,0 +1,95 @@
+use {
+    crate::{TypeTerm, TypeID}
+};
+
+pub enum SugaredTypeTerm {
+    TypeID(TypeID),
+    Num(i64),
+    Char(char),
+    Univ(Box< SugaredTypeTerm >),
+    Spec(Vec< SugaredTypeTerm >),
+    Func(Vec< SugaredTypeTerm >),
+    Morph(Vec< SugaredTypeTerm >),
+    Ladder(Vec< SugaredTypeTerm >),
+    Struct(Vec< SugaredTypeTerm >),
+    Enum(Vec< SugaredTypeTerm >),
+    Seq(Vec< SugaredTypeTerm >)
+}
+
+impl TypeTerm {
+    pub fn sugar(self: TypeTerm, dict: &mut crate::TypeDict) -> SugaredTypeTerm {
+        match self {
+            TypeTerm::TypeID(id) => SugaredTypeTerm::TypeID(id),
+            TypeTerm::Num(n) => SugaredTypeTerm::Num(n),
+            TypeTerm::Char(c) => SugaredTypeTerm::Char(c),
+            TypeTerm::App(args) => if let Some(first) = args.first() {
+                if first == &dict.parse("Func").unwrap() {
+                    SugaredTypeTerm::Func( args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect() )
+                }
+                else if first == &dict.parse("Morph").unwrap() {
+                    SugaredTypeTerm::Morph( args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect() )
+                }
+                else if first == &dict.parse("Struct").unwrap() {
+                    SugaredTypeTerm::Struct( args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect() )
+                }
+                else if first == &dict.parse("Enum").unwrap() {
+                    SugaredTypeTerm::Enum( args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect() )
+                }
+                else if first == &dict.parse("Seq").unwrap() {
+                    SugaredTypeTerm::Seq( args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect() )
+                }
+                else if first == &dict.parse("Spec").unwrap() {
+                    SugaredTypeTerm::Spec( args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect() )
+                }
+                else if first == &dict.parse("Univ").unwrap() {
+                    SugaredTypeTerm::Univ(Box::new(
+                        SugaredTypeTerm::Spec(
+                            args[1..].into_iter().map(|t| t.clone().sugar(dict)).collect()
+                        )
+                    ))
+                }
+                else {
+                    SugaredTypeTerm::Spec(args.into_iter().map(|t| t.sugar(dict)).collect())
+                }
+            } else {
+                SugaredTypeTerm::Spec(args.into_iter().map(|t| t.sugar(dict)).collect())
+            },
+            TypeTerm::Ladder(rungs) =>            
+               SugaredTypeTerm::Ladder(rungs.into_iter().map(|t| t.sugar(dict)).collect())
+        }
+    }
+}
+
+impl SugaredTypeTerm {
+    pub fn desugar(self, dict: &mut crate::TypeDict) -> TypeTerm {
+        match self {
+            SugaredTypeTerm::TypeID(id) => TypeTerm::TypeID(id),
+            SugaredTypeTerm::Num(n) => TypeTerm::Num(n),
+            SugaredTypeTerm::Char(c) => TypeTerm::Char(c),
+            SugaredTypeTerm::Univ(t) => t.desugar(dict),
+            SugaredTypeTerm::Spec(ts) => TypeTerm::App(ts.into_iter().map(|t| t.desugar(dict)).collect()),
+            SugaredTypeTerm::Ladder(ts) => TypeTerm::Ladder(ts.into_iter().map(|t|t.desugar(dict)).collect()),
+            SugaredTypeTerm::Func(ts) => TypeTerm::App(
+                std::iter::once( dict.parse("Func").unwrap() ).chain(
+                    ts.into_iter().map(|t| t.desugar(dict))
+                ).collect()),
+            SugaredTypeTerm::Morph(ts) => TypeTerm::App(
+                std::iter::once( dict.parse("Morph").unwrap() ).chain(
+                    ts.into_iter().map(|t| t.desugar(dict))
+                ).collect()),
+            SugaredTypeTerm::Struct(ts) => TypeTerm::App(
+                std::iter::once( dict.parse("Struct").unwrap() ).chain(
+                    ts.into_iter().map(|t| t.desugar(dict))
+                ).collect()),
+            SugaredTypeTerm::Enum(ts) => TypeTerm::App(
+                std::iter::once( dict.parse("Enum").unwrap() ).chain(
+                    ts.into_iter().map(|t| t.desugar(dict))
+                ).collect()),
+            SugaredTypeTerm::Seq(ts) => TypeTerm::App(
+                std::iter::once( dict.parse("Seq").unwrap() ).chain(
+                    ts.into_iter().map(|t| t.desugar(dict))
+                ).collect()),
+        }
+    }
+}
+
diff --git a/src/term.rs b/src/term.rs
index f5e8f5f..29c7d27 100644
--- a/src/term.rs
+++ b/src/term.rs
@@ -57,7 +57,7 @@ impl TypeTerm {
     pub fn repr_as(&mut self, t: impl Into<TypeTerm>) -> &mut Self {
         match self {
             TypeTerm::Ladder(rungs) => {
-                rungs.push(t.into());                
+                rungs.push(t.into());
             }
 
             _ => {