Childline show, suggested to the BBC that they create "Childwatch", a programme about child abuse that was screened on 30 October 1986 on BBC1, the aim being to try to detect children at risk before their lives were in danger. Viewers were asked if they would take part in the survey in an edition of "That's Life!". A helpline was opened after the programme so that any child currently suffering abuse could call for help. Rantzen, together with her BBC producers Sarah Caplin and Ritchie Cogan, therefore suggested they should create a helpline specifically for children in danger or distress, to
Well-founded semantics assigning propositions "true" or "false", it also allows for a value representing ignorance. For example, if we know that codice_1 but we do not know whether or not specimen "A" flies during the day, the well-founded semantics would assign the proposition ``specimen A is a moth`` the value "bottom" which is neither "true" nor "false". The well-founded semantics is also a way of making safe inferences in the presence of contradictory data such as noisy data, or data acquired from different experts who may posit differing opinions. Many two-valued semantics simply won't consider such a problem state workable. The well-founded