| Symbol | Specification | Kind | Type |
|---|---|---|---|
| # . | array | f | array → nat |
| . + . | nat-basic | f | nat × nat → nat |
| . +1 | nat-basic | f | nat → nat |
| . - . | nat | pf | nat × nat → nat with λ n, m. n ≥ m |
| . -1 | nat-basic | pf | nat → nat with λ n. n ≠ 0 |
| . < . | nat-basic | p | nat × nat |
| . > . | nat | p | nat × nat |
| . [ . ] | array | pf | array × nat → elem with λ ar, n. n < # ar |
| . [ . ] | array | pf | array × nat × elem → array with λ ar, n, a. n < # ar |
| . ≤ . | nat | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| a | array | v | elem |
| ar | array | v | array |
| array | array | s | |
| elem | elem | s | |
| m | array | v | nat |
| mkarray | array | f | nat → array |
| n | array | v | nat |
| nat | nat-basic | s |