榊原英輔の哲学あれこれ 〜トップページ〜 新着コンテンツ 08年3月31日 英語論文 CONVENTIONS AND FAILURE OF COMMUNICATION In addition to that, we cannot say that the conversation failed because Betty did not appropriately follow the principles of charity in this case. This is because even the ideal hearer could not take into consideration the information which would be given on September 2nd on September 1st, when Betty made a phone c