▁that ▁John ▁Ty ler , ▁Harrison ' s ▁vice ▁president , ▁would ▁assume ▁the ▁respons ib ilities ▁of ▁the ▁presiden cy ▁under ▁the ▁title ▁" V ice - Pres ident ▁acting ▁President ". ▁Instead ▁of ▁accepting ▁this ▁proposed ▁title , ▁however , ▁Ty ler ▁assert ed ▁that ▁the ▁Constitution ▁gave ▁him ▁full ▁and ▁un qual ified ▁powers ▁of ▁the ▁presiden cy ▁and ▁had ▁himself ▁sw orn ▁in ▁as ▁president ; ▁this ▁set ▁a ▁critical ▁preced ent ▁for ▁the ▁order ly ▁transfer ▁of ▁power ▁following ▁a ▁president ' s ▁death . ▁Non eth eless , ▁several ▁members ▁of ▁Congress , ▁such ▁as ▁representative ▁and ▁former ▁president ▁John ▁Qu in cy ▁Adams , ▁felt ▁that ▁Ty ler ▁should ▁be ▁a ▁care t aker ▁under ▁the ▁title ▁of ▁" act ing ▁president ", ▁or ▁remain ▁vice ▁president ▁in ▁name . ▁Senator ▁Henry ▁Clay ▁saw ▁Ty ler ▁as ▁the ▁" vice - pres ident " ▁and ▁his ▁presiden cy ▁as ▁a ▁mere ▁" reg ency ". ▁ ▁Through out ▁Ty ler ▁remained ▁resol ute ▁in ▁his ▁claim ▁to ▁the ▁title ▁of ▁President ▁and ▁in ▁his ▁determ ination ▁to ▁exercise ▁the ▁full ▁powers ▁of ▁the ▁presiden cy . ▁The ▁preced ent ▁he ▁set ▁in ▁ 1 8 4 1 ▁was ▁followed ▁subsequently ▁on ▁seven ▁occasions ▁when ▁an ▁inc umb ent ▁president ▁died ▁prior ▁to ▁being ▁en sh r ined ▁in ▁the ▁Constitution ▁through ▁section ▁ 1 ▁of ▁the ▁Tw enty - fif th ▁Am end ment . ▁ ▁Though ▁the ▁preced ent ▁regarding ▁president ial ▁succession ▁due ▁to