RE: Quick Valid Question

Yes - exactly. Only an implementation can know if the spatial constraint is met.

The job of the evaluator is to tell you, given the status of the constraint, whether the rule is active or not. Hence the 'truth tables'. (Though they're really tables of state, not truth).

Ben
________________________________
From: Renato Iannella [renato.iannella@monegraph.com]
Sent: 05 September 2017 14:10
To: POE Public
Subject: Re: Quick Valid Question


On 5 Sep 2017, at 22:54, benedict.whittamsmith@thomsonreuters.com<mailto:benedict.whittamsmith@thomsonreuters.com> wrote:

Active where the spatial constraint is satisfied; not active when it isn't.

So we cannot ascertain state unless we know the context.

That is, a specific implementation, under specific conditions, is only able to determine the state of a rule.

Renato