| Symbol | Specification | Kind | Type |
|---|---|---|---|
| . + . | 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 | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| Pelem | rtc-rel | v | elem → bool |
| a | elem | v | elem |
| b | elem | v | elem |
| c | elem | v | elem |
| elem | elem | s | |
| inv | rtc-rel | p | elem × (elem → bool) |
| m | nat-basic1 | v | nat |
| n | nat-basic1 | v | nat |
| n0 | nat-basic1 | v | nat |
| n1 | nat-basic1 | v | nat |
| nat | nat-basic1 | s | |
| p | elem-rel | p | elem × elem |
| p* | rtc-rel | p | elem × elem |
| p+ | rtc-rel | p | elem × elem |
| rtc | rtc-rel | p | nat × elem × elem |