categorical statement; definitive assertion
A formal or logical statement that asserts something unconditionally, without qualification. Often used in philosophical or rhetorical contexts.
His categorical statement left no room for rebuttal.
In this paper, several definitive assertions are laid down as premises.
categorical
categorical imperative
From 定 (definite, fixed) and 言 (word, statement). The exact historical derivation is uncertain; it is a Sino-Japanese compound used in formal and philosophical writing.