▁ ▁comput able ▁function ▁ ▁such ▁that : ▁▁▁▁▁▁ ▁If ▁a ▁partial ▁function ▁is ▁both ▁upper ▁and ▁lower ▁sem ic om put able ▁it ▁is ▁called ▁comput able . ▁ ▁See ▁also ▁ ▁Comput ability ▁theory ▁ ▁References ▁▁▁ ▁M ing ▁Li ▁and ▁Paul ▁Vit ány i , ▁An ▁Introduction ▁to ▁Kol m og or ov ▁Complex ity ▁and ▁Its ▁App lications , ▁pp ▁ 3 7 – 3 8 , ▁Springer , ▁ 1 9 9 7 . ▁ ▁Category : Math emat ical ▁logic <0x0A> </s> ▁St icks ▁& ▁St ones ▁is ▁a ▁ 2 0 1 9 ▁American ▁stand - up ▁comedy ▁show ▁written ▁and ▁performed ▁by ▁com ed ian ▁Dave ▁Ch app elle , ▁and ▁directed ▁by ▁Stan ▁L athan . ▁Produ ced ▁by ▁both ▁Ch app elle ▁and ▁L athan , ▁and ▁distributed ▁by ▁Net fli x , ▁the ▁special ▁is ▁detailed ▁as ▁" a ▁provoc ative ▁perspective ▁on ▁the ▁tid al ▁wave ▁of ▁celebr ity ▁sc and als , ▁the ▁op io id ▁crisis , ▁and ▁more ". ▁It ▁is ▁Ch app elle ' s ▁fifth ▁Net fli x ▁special , ▁following ▁the ▁ 2 0 1 7 ▁spe ci als ▁Deep ▁in ▁the ▁Heart ▁of ▁Texas , ▁The ▁Age ▁of ▁Sp in , ▁Equ anim ity ▁and ▁The ▁Bird ▁Re vel ation . ▁Princi pal ▁phot ography ▁began ▁at ▁the ▁Tab ern acle ▁in ▁Dow nt own ▁Atlanta , ▁Georgia ▁from ▁June ▁ 1 3 ▁to ▁ 1 6 , ▁ 2 0 1 9 .