<prompt> Bheka isiqephu esingezansi bese uphendula umbuzo ngemuva kwalokho ngolimi olufanayo nesiqephu: Isiqephu: Ucwaningo lwamaqembu e-Abel akhiqizwa ngokugcina lukhule ngokwanele, kufaka phakathi i-theorem eyisisekelo yamaqembu e-Abel akhiqizwa ngokugcina; futhi kukhombisa lesi simo sezinto, imiqondo eminingi ehlobene neqembu, efana nesikhungo kanye ne-commutator, ichaza ukuthi iqembu elinikeziwe alilona i-Abel. Umbuzo: Yiliphi igama elilodwa elichaza kangcono ukuthi la maqembu akhiqizwa kanjani?  <response>: ngokungenamkhawulo 