prejacent
1 of 2adjective
pre·ja·cent
prēˈjāsᵊnt
1
obsolete : preexisting
2
: being an antecedent proposition in logic from which another is developed
prejacent
2 of 2noun
"
plural -s
: a prejacent proposition in logic
Word History
Etymology
Adjective
Middle French, from Latin praejacent-, praejacens, present participle of praejacēre to lie before, from prae- pre- + jacēre to lie