4.1 Booleans
4.2 Characters
4.2.1 Comparison
4.2.1.1 Case-Insensitive Comparison
4.2.2 Contracts
4.2.3 Conversions
4.3 Keywords
4.4 Numbers
4.4.1 Types
4.4.2 Generic Arithmethic
4.4.2.1 Comparison
4.4.2.2 Contracts
4.5 Optional Values
4.6 Result Values
4.7 Symbols
4.8 Text
4.8.1 Comparison
4.8.1.1 Case-Insensitive Comparison
4.8.1.2 Case Mapping
4.8.1.3 Normalization