| ▼ | 3 | Heresy Reference | 
| 3.1 | Declarations | 
| 3.2 | Conditionals and Loops | 
| 3.3 | Predicates and Logic | 
| 3.4 | Syntax and Evaluation | 
| 3.5 | Input and Output | 
| 3.6 | Lists | 
| 3.7 | Strings | 
| 3.8 | Math | 
| 3.9 | Random Numbers | 
| 3.10 | Things | 
| 3.11 | Theory | 
| 3.12 | Pipe/ Threading Operators | 
| 3.13 | Holes | 
| 3.14 | Maybe | 
| 3.15 | Monads and Do Notation |