| Symbol | Specification | Kind | Type |
|---|---|---|---|
| # . | array | f | array → nat |
| . + . | nat-basic2 | f | nat × nat → nat |
| . +1 | nat-basic1 | f | nat → nat |
| . - . | nat | f | nat × nat → nat |
| . -1 | nat-basic1 | f | nat → nat |
| . < . | nat-basic1 | p | nat × nat |
| . > . | nat | p | nat × nat |
| . [ . ] | nat-array | f | array × nat → nat |
| . [ . ] | nat-array | f | array × nat × nat → array |
| . ≤ . | nat | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| ar | array | v | array |
| ar0 | array | v | array |
| ar1 | array | v | array |
| ar2 | array | v | array |
| array | array | s | |
| m | nat-basic2 | v | nat |
| max | challenge1 | f | array × nat × nat → nat |
| mkarray | array | f | nat → array |
| n | nat-basic1 | v | nat |
| n0 | nat-basic1 | v | nat |
| n1 | nat-basic1 | v | nat |
| n2 | nat-array | v | nat |
| n3 | nat-array | v | nat |
| n4 | nat-array | v | nat |
| nat | nat-basic1 | s | |
| pos | nat-array | f | array × nat → nat |