Excellent reply! <div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> I think it would be useful if ACE/APE supported 'I', then one could use ACE e.g. to communicate to his/her iPhone and Facebook notions like "my friends and followers", "my location", etc. </blockquote><div>I do think the same. I think ACE could be used for localization/machine translation as well, as is done by CMU (with their own cnl) in <a href="http://www.lti.cs.cmu.edu/Research/Kant/index.html">http://www.lti.cs.cmu.edu/Research/Kant/index.html</a>. </div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> -- kaarel </blockquote></div> -- Regards, K. Gabriele --- unchanged since 20/9/10 --- P.S. If the subject contains "[LON]" or the addressee acknowledges the receipt within 48 hours then I don't resend the email. subject(this) ∈ L(LON*) ∨ ∃x. (x ∈ MyInbox ∧ Acknowledges(x, this) ∧ time(x) < Now + 48h) ⇒ ¬resend(I, this). If an email is sent by a sender that is not a trusted contact or the email does not contain a valid code then the email is not received. A valid code starts with a hyphen and ends with "X". ∀x. x ∈ MyInbox ⇒ from(x) ∈ MySafeSenderList ∨ (∃y. y ∈ subject(x) ∧ y ∈ L(-[a-z]+[0-9]X)).