Tyrtov argued with Sofia's father that she should be encouraged to study mathematics further but it was several years later that he permitted Sofia to take private lessons.
Tyrtov argued with Sofia's ama na siya ay dapat na hinihikayat na pag-aaral sa matematika karagdagang ngunit ito ay ilang taon na siya mamaya pinahihintulutan Sofia sa pribadong mga aralin.