| Acknowledgments |
| Introduction |
| I. | Letters and Words |
| II. | Grammar |
| | A. | Nouns |
| | • Numeric and literal |
| | • Tokens and pronouns |
| | • Arrays |
| | • Open and boxed |
| | B. | Verbs |
| | • Monads and dyads |
| | • Ranks of verbs |
| | • Degenerate cases |
| | • Agreement |
| | C. | Adverbs and Conjunctions |
| | D. | Copula |
| | E. | Dialogue |
| | F. | Comparatives |
| | G. | Terminology |
| | • Standard names and synonyms |
| | • Other considerations |
| | H. | Identities and Proofs |
| | I. | Parsing and Execution |
| | J. | Verb Definition |
| | • Local and global names |
| III. | Dialects |
| | A. | Bracket-Semicolon Indexing |
| | B. | Indexed Assignment |
| | C. | Bracket Axis Notation |
| | D. | Canonical Function Definition |
| | • Niladic functions |
| | • Adverbs and conjunctions |
| | E. | Comments and Statement Separators |
| | F. | Permissive Treatment of One-Element Arrays |
| IV. | Verbs |
| V. | Adverbs |
| VI. | Conjunctions |
| |
| References |
| Tables |
| 1. | APL Alphabet and ASCII Transliteration |
| 2. | Parsing Processing |
| 3. | Translation to Canonical Form |
| 4. | Standard Names and Synonyms |