jitfa -jif- gismu

x₁ (du'u) is false/is an untruth by standard/epistemology/metaphysics x₂.

Words usable for epistemology typically have a du'u place. See also fatci, stace, jetnu, cfika.

jbovlaste

In notes:

cfika: x₁ is a work of fiction about plot/theme/subject x₂/under convention x₂ by author x₃.
fatci: x₁ (du'u) is a fact/reality/truth/actuality, in the absolute.
jetnu: x₁ (du'u) is true/truth by standard/epistemology/metaphysics x₂.
stace: x₁ is honest/open/truthfully revealing to/candid/frank with x₂ about matter/fact x₃.
jetpai: p₁ judges the veracity of p₂=j₁ by standard/epistemology/metaphysics x₃=j₂.
jifkemlojvro: v₁ is a NOT gate / inverter with input [pin] v₂ and output [pin] v₃ in circuit/system v₄.
jifkri: x₁ is heretical/a heretic/heathen/infidel according to faith/religion/belief/creed x₂
jifselvi'a: v₂=j₁ is an illusion/mirage/etc. seen by v₁.
narje'u: x₁ (du'u) is not true by standard/epistemology/metaphysics x₂
ticyja'o: j₁=t₁ stages, deceptively demonstrating j₂ to audience j₃=t₂.
ticysku: c₁=t₁ lies, falsely expressing c₂ (text/concept) to audience c₃=t₂ by means c₄.
tradutxu'a: x₁=t₁ is hypocritical in action t₂=d₁, which is contrary to assertion x₂, under conditions t₃.
gi'a'a (exp!): logical connective: forethought all but tanru-internal always false (with gi).
gi'i'a'a (exp!): logical connective: bridi-tail afterthought always false.
gu'i'a'a (exp!): logical connective: tanru-internal forethought always false (with gi).
i'a'a (exp!): logical connective: sumti afterthought always false.
jai'e (exp!): elliptical presence or absence of "jai".
ji'a'a (exp!): logical connective: tanru-internal afterthought always false.
anji'i: x₁ admit to themselves that they x₂ (ka)
du'umdu: x₁ is a proposition/predication (statement with a truth value), stating that x₂ is true