<prompt> Bheka isigaba esingezansi bese uphendula umbuzo ngemuva kwalokho ngolimi olufanayo nesigaba: Isigaba: Ngesikhathi eseParis, u-Abel wathola isifo sofuba. NgoKhisimusi ka-1828, wahamba nge-sledge waya eFroland ukuvakashela isithandwa sakhe. Wagula kakhulu ohambweni; futhi, yize ukuthuthuka okwesikhashana kwavumela lo mbhangqwana ukuthi ujabulele iholide ndawonye, washona ngokushesha ngemuva kwalokho ngo-Ephreli 6, 1829, ezinsukwini ezimbili ngaphambi nje kokuba kufike incwadi evela ku-August Crelle. UCrelle wayefuna umsebenzi omusha ka-Abel eBerlin futhi empeleni wakwazi ukumqoka njengoProfesa e-University of Berlin. UCrelle wabhalela u-Abel ukumtshela, kodwa izindaba ezinhle zafika sekwephuze kakhulu. Umbuzo: U-Abel waya kuphi ukuyobona isithandwa sakhe?  <response>: U-1828 