Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Don haka mai binciken ya kamata kuma ya yi amfani da doka A → w idan ε yana cikin Fi ((w) kuma yana ganin a kan rafin shigar da alama wacce zata iya bin A. Saboda haka, muna kuma buƙatar bin-saiti na A, wanda aka rubuta a matsayin Fo ((A) a nan, wanda aka ayyana a matsayin saitin tashoshi a irin wannan cewa akwai jerin alamomin αAaβ wanda za'a iya samo daga alamar farawa. Mun yi amfani da $ a matsayin musamman m nuna karshen shigar da rafi da kuma S a matsayin fara alama ce.  Tambaya: Me ake amfani da $ don?
a matsayin na musamman m nuna karshen shigar da rafi