# Discretion as a choice

## Intention

I want to give a body a choice of its own action within set bounds.

## Incorrect form and why it stays silent

```text title="Incorrect form"
then discretion Choose { holder p; };
```

Discretion is not a fifth modality. Here it is a liberty of choice; if the choice changes someone else's status, a power with valid_when and effect is needed.

## Correct form

```law
language "law.core" version "0.2";
package recipes.a.r11 version "0.1.0";
namespace "urn:recipe:a-positions:11";

entity Person;
relation registered(p: Person);
relation done(p: Person);
relation option_chosen(p: Person);
rule R strict { for p: Person; when registered(p);
    then liberty Choose { holder p; action option_chosen(p); window [@2026-09-01, @2026-09-10]; };
}
```

## Frozen execution scene

| Facts and snapshot | Question | Answer |
|---|---|---|
| the choice is permitted; 2026-09-05 | `positions()` | `position(Choose, ACTIVE);` / `COMPUTED` |
| the choice has not yet been made; 2026-09-05 | `truth(option_chosen(entity_ref("urn:recipe:a-positions:11:p")))` | `truth_status == NEITHER;` / `COMPUTED` |

```law
test "choice liberty active" {
    given {
        context {
            legal_time @2026-09-05;
            decision_time @2026-09-05T09:00:00+05:00;
            knowledge_time @2026-09-30T09:00:00+05:00;
            timezone "Asia/Almaty";
        }
        assert registered(entity_ref("urn:recipe:a-positions:11:p"));
    }
    evaluate positions();
    expect position(Choose, ACTIVE);
    expect evaluation_status == COMPUTED;

}
```

```law
test "unmade choice stays unknown" {
    given {
        context {
            legal_time @2026-09-05;
            decision_time @2026-09-05T09:00:00+05:00;
            knowledge_time @2026-09-30T09:00:00+05:00;
            timezone "Asia/Almaty";
        }
        assert registered(entity_ref("urn:recipe:a-positions:11:p"));
    }
    evaluate truth(option_chosen(entity_ref("urn:recipe:a-positions:11:p")));
    expect truth_status == NEITHER;
    expect evaluation_status == COMPUTED;

}
```

## Counterfactual

Mutation: `then liberty Choose` → `then discretion Choose`; rejection LDC-E0201. Additional counterfactuals are shown as separate scenes.

## Boundary

Reasonableness and proportionality of a decision may require a judgment. Liberty of choice does not mean that every chosen legal effect is valid.