| Symbol | Specification | Kind | Type |
|---|---|---|---|
| . + . | nat-basic | f | Nat × Nat → Nat |
| . + . | nat-inf | f | Natinf × Natinf → Natinf |
| . +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 |
| . .n | nat-inf | pf | Natinf → Nat with λ n∞. n∞ ≠ ∞ |
| . < . | nat-basic | p | Nat × Nat |
| . < . | nat-inf | p | Natinf × Natinf |
| . > . | nat | p | Nat × Nat |
| . ≤ . | nat | p | Nat × Nat |
| . ≥ . | nat | p | Nat × Nat |
| ∞ | nat-inf | c | Natinf |
| ⌜ . ⌝ | nat-inf | f | Nat → Natinf |
| Nat | nat-basic | s | |
| Natinf | nat-inf | s | |
| m | nat-inf | v | Nat |
| min | nat-inf | f | Natinf × Natinf → Natinf |
| n | nat-inf | v | Nat |
| n∞ | nat-inf | v | Natinf |