Trevor Lock week as the British National Party (BNP). He disproved Descartes' maxim "Cogito ergo sum" by tipping a glass of water over his head, horrifying the front row of the audience. In 2009, Trevor Lock performed a warm up show for the Edinburgh Fringe Festival at a fundraiser for Boxmoor Cricket Club. He had two shows in the 2009 Edinburgh fringe; a stand up show called "Some Kind of Fool" and a play titled "The One and the Many" Lock presents a live comedy night 'Trevor Lock's Philosophy Society' at the Ku Bar in Lisle Street near Leicester Square. In early
Cogito, ergo sum and that "I" know what "thinking" is. He suggested a more appropriate phrase would be "it thinks" wherein the "it" could be an impersonal subject as in the sentence "It is raining." The Danish philosopher Søren Kierkegaard calls the phrase a tautology in his "Concluding Unscientific Postscript". He argues that the "cogito" already presupposes the existence of "I", and therefore concluding with existence is logically trivial. Kierkegaard's argument can be made clearer if one extracts the premise "I think" into the premises "'x' thinks" and "I am that 'x'", where "x" is used as a placeholder in order to disambiguate