▁of ▁him ▁to ▁the ▁Bolog n ese ▁sen ate . ▁▁ ▁He ▁published ▁most ▁of ▁his ▁work ▁while ▁at ▁Bolog na , ▁though ▁some ▁of ▁it ▁had ▁been ▁written ▁previously ; ▁his ▁Ge omet ria ▁Ind iv is ibil ius , ▁where ▁he ▁out lined ▁what ▁would ▁later ▁become ▁the ▁Method ▁of ▁Ind iv is ibles , ▁was ▁written ▁in ▁ 1 6 2 7 ▁while ▁in ▁Par ma ▁and ▁presented ▁as ▁part ▁of ▁his ▁application ▁to ▁Bolog na , ▁but ▁was ▁not ▁published ▁until ▁ 1 6 3 5 . ▁Contempor ary ▁critical ▁reception ▁was ▁mixed , ▁and ▁Ex erc itation es ▁geomet rica e ▁sex ▁( S ix ▁Ex er cis es ▁in ▁Ge ometry ) ▁was ▁published ▁in ▁ 1 9 4 7 , ▁partly ▁as ▁a ▁response ▁to ▁criticism . ▁Also ▁at ▁Bolog na ▁he ▁published ▁tables ▁of ▁log arith ms ▁and ▁information ▁on ▁their ▁use , ▁prom oting ▁their ▁use ▁in ▁Italy . ▁ ▁Gal ile o ▁ex ert ed ▁a ▁strong ▁influence ▁on ▁Caval ieri , ▁and ▁Caval ieri ▁would ▁write ▁at ▁least ▁ 1 1 2 ▁letters ▁to ▁Gal ile o . ▁ ▁Gal ile o ▁said ▁of ▁him , ▁" f ew , ▁if ▁any , ▁since ▁Arch im edes , ▁have ▁del ved ▁as ▁far ▁and ▁as ▁deep ▁into ▁the ▁science ▁of ▁geometry ." ▁He ▁correspond ed ▁widely ; ▁his ▁known ▁correspond ents ▁include ▁Mar in ▁M ers enne , ▁Evangel ista ▁Tor ric elli ▁and ▁V inc en zo ▁Viv iani . ▁Tor