| Symbol | Specification | Kind | Type |
|---|---|---|---|
| # . | gen-names | f | names → nat |
| . + . | nat-basic2 | f | nat × nat → nat |
| . ++ . | gen-names | f | names × name → names |
| . +1 | nat-basic1 | f | nat → nat |
| . - . | nat | f | nat × nat → nat |
| . -- . | gen-names | f | names × name → names |
| . -1 | nat-basic1 | f | nat → nat |
| . < . | nat-basic1 | p | nat × nat |
| . > . | nat | p | nat × nat |
| . \ . | gen-names | f | names × names → names |
| . ≤ . | nat | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| . ∈ . | gen-names | p | name × names |
| . ∪ . | gen-names | f | names × names → names |
| . ∩ . | gen-names | f | names × names → names |
| . ⊆ . | gen-names | p | names × names |
| { . } | gen-names | f | name → names |
| ∅ | gen-names | c | names |
| m | nat-basic2 | v | nat |
| n | nat-basic1 | v | nat |
| n0 | nat-basic1 | v | nat |
| n1 | nat-basic1 | v | nat |
| nam | gen-name | v | name |
| nam1 | gen-names | v | name |
| nam2 | gen-names | v | name |
| name | gen-name | s | |
| names | gen-names | s | |
| nams | gen-names | v | names |
| nams0 | gen-names | v | names |
| nams1 | gen-names | v | names |
| nams2 | gen-names | v | names |
| nat | nat-basic1 | s |