A Private Function Gilbert Chilvers (Michael Palin), who was encouraged to do so by his wife Joyce (Maggie Smith). Meanwhile a food inspector is determined to stop activities circumventing the food rationing. Three pigs were used in the filming of "A Private Function", all named Betty. Producer Mark Shivas was advised by Intellectual Animals UK that the pigs used should be female and six months old so as to not be too large or aggressive. However, the pigs were "unpredictable and often quite dangerous". During filming of one of the kitchen scenes, Maggie Smith was hemmed in by one of the pigs and
History of the function concept may fairly find a place in ordinary Logic". Gottlob Frege's Begriffsschrift (1879) preceded Giuseppe Peano (1889), but Peano had no knowledge of until after he had published his 1889. Both writers strongly influenced . Russell in turn influenced much of 20th-century mathematics and logic through his "Principia Mathematica" (1913) jointly authored with Alfred North Whitehead. At the outset Frege abandons the traditional "concepts "subject" and "predicate"", replacing them with "argument" and "function" respectively, which he believes "will stand the test of time. It is easy to see how regarding a content as a function of an argument leads to the