| Symbol | Specification | Kind | Type |
|---|---|---|---|
| # . | dataset | f | dataset → nat |
| . + . | nat-basic | f | nat × nat → nat |
| . ++ . | dataset | f | dataset × data → dataset |
| . +1 | nat-basic | f | nat → nat |
| . - . | nat | pf | nat × nat → nat with λ n, m. n ≥ m |
| . -- . | dataset | f | dataset × data → dataset |
| . -1 | nat-basic | pf | nat → nat with λ n. n ≠ 0 |
| . < . | nat-basic | p | nat × nat |
| . > . | nat | p | nat × nat |
| . \ . | dataset | f | dataset × dataset → dataset |
| . ∈ . | dataset | p | data × dataset |
| . ∩ . | dataset | f | dataset × dataset → dataset |
| . ∪ . | dataset | f | dataset × dataset → dataset |
| . ≤ . | nat | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| . ⊆ . | dataset | p | dataset × dataset |
| { . } | dataset | f | data → dataset |
| ∅ | dataset | c | dataset |
| d | dataset | v | data |
| d0 | dataset | v | data |
| d1 | dataset | v | data |
| data | dataset | s | |
| dataset | dataset | s | |
| ds | dataset | v | dataset |
| ds0 | dataset | v | dataset |
| ds1 | dataset | v | dataset |
| ds2 | dataset | v | dataset |
| m | nat-basic | v | nat |
| n | nat-basic | v | nat |
| n0 | nat-basic | v | nat |
| n1 | nat-basic | v | nat |
| nat | nat-basic | s |