Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Daya daga cikin karni na 14 na Oxford Calculators, William Heytesbury, ba tare da bambancin lissafi da ma'anar iyaka ba, ya ba da shawarar auna saurin gaggawa "ta hanyar da [wani jiki] zai bayyana idan... an motsa shi daidai a daidai wannan saurin da aka motsa shi a wannan lokacin".Heytesbury da sauransu sun ƙaddara nisa da aka rufe ta hanyar jiki da ke fuskantar motsi mai saurin sauri (a yau an warware ta hanyar hadewa), yana cewa "wani jiki mai motsi daidai da samun ko rasa wannan karuwar [saurin] zai haye a cikin wani lokaci da aka ba da [nesa] daidai da abin da zai haye idan yana ci gaba da motsawa a cikin lokaci guda tare da matsakaicin [saurin]".Nicole Oresme a Jami'ar Paris da Italiyanci Giovanni di Casali sun ba da hujjoji na zane-zane na wannan dangantaka, suna tabbatar da cewa yankin da ke ƙarƙashin layin da ke nuna yawan hanzari, yana wakiltar nisan da aka yi tafiya. A cikin sharhin lissafi na baya game da Abubuwan Euclid, Oresme ya yi cikakken bincike na gaba ɗaya wanda ya nuna cewa jiki zai sami a cikin kowane haɓaka na lokaci na kowane ingancin da ke ƙaruwa kamar yadda lambobi ke ƙaruwa. Tun da Euclid ya nuna jimlar lambobi masu banƙyama sune lambobi na square, yawan ingancin da jiki ya samu yana ƙaruwa kamar yadda square na lokaci.  Tambaya: Menene William Heytesbury ya yi ba tare da ƙoƙarin auna saurin gaggawa ba?
lissafi na bambanci da ma'anar iyaka