Scope note:
This property identifies an E51 Contact Point of any type that provides access to an E39 Actor by any communication method, such as e-mail or fax.
Examples:
- RLG (E40) has contact point "bl.ric@rlg.org" (E51)
In First Order Logic:
P76(x,y) ⊃ E39(x)
P76(x,y) ⊃ E51(y)