| 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 |
| S | state | v | state,flexible |
| SEQ# | SEQ | pr | nat × input : state × output (nondeterministic nonfunctional) |
| inp | IO | v | input |
| input | IO | s | |
| m | nat-basic1 | v | nat |
| n | nat-basic1 | v | nat |
| n0 | nat-basic1 | v | nat |
| n1 | nat-basic1 | v | nat |
| nat | nat-basic1 | s | |
| out | IO | v | output |
| output | IO | s | |
| s | state | v | state |
| s0 | state | v | state |
| s1 | state | v | state |
| s2 | state | v | state |
| state | state | s |