| demand: |
no demanded arguments |
| deterministic: |
deterministic operation |
| failfree: |
(_, _) |
| indeterministic: |
referentially transparent operation |
| iotype: |
{(_,_) |-> _}
|
| result-values: |
_ |
| solution-complete: |
operation might suspend on free variables |
| terminating: |
possibly non-terminating |
| totally-defined: |
reducible on all ground data terms |