Lasiko isejoba ologun akoko ni odun 1970, Bola Ige gbogun tako ipolongo eleyameya ti awon World Council of Churches gbe igbese re nigba naa.. 
Gbogbo ìtẹ́lẹ̀ntẹ̀lé Cauchy fún nọmba gidi je eyi to n Gba' si oju kanna.bayi wipe awon nọmba gidi "Tan". ati pe awọn nọmba onípìn ko lo tan o.. 