bridi contradictory negator; scope is an entire bridi; logically negates in some cmavo compounds.

- sodnysodna
- s
_{1}is a quantity of/contains/is made of sodium [Na]. - na'ai
- Same function as {na} but with the additional meaning that the sumti in the bridi have no prior experience together.
- cmavrna
- x
_{1}is the selma'o "NA". - tcilanagiga
- x
_{1}is a sheela-na-gig/sean-na-gi.

- facnarkri
- x
_{1}is delusional, suffering from delusions; x_{1}has a false belief x_{2}(du'u) that confrontas with actual facts - naryremda'u
- d
_{1}=r_{1}is an animal of species d_{2}and not a human; d_{1}=r_{1}is a non-human animal. - sumsmi
- x
_{1}is a part of Lojban text representing rule 'term' according to the first edition of the book 'The Complete Lojban Language'. - tolja'e
- The negation of x
_{1}(event/state) is a result/outcome/conclusion of antecedent x_{2}(event/state). x_{1}is prevented by x_{2}. - tolki'u
- x
_{1}(event/state) is a reason/justification/explanation for/causing/permitting the negation of x_{2}(event/state). x_{1}prevents x_{2}. - tolmu'i
- x
_{1}(event/state) motivates/is a motive/incentive for the negation of x_{2}(event/state), per volition of x_{3}. x_{1}prevents x_{2}. - tolni'i
- x
_{1}(event/state) logically necessitates/entails/implies the negation of x_{2}(event/state), under rules/logic system x_{3}. x_{1}prevents x_{2}. - tolri'a
- x
_{1}(event/state) effects/physically causes the negation of x_{2}(event/state). x_{1}prevents x_{2}. - tronarka'erfenki
- x
_{1}is hysterical by standard x_{2} - zilna'e
- x
_{1}(du'u) is not true - nalti
- x
_{1}is a logical 'NOT' statement resulting from the (multiplicative) negation of/applying the 'NOT' operator to x_{2}(du'u); x_{1}is the logical negation/negative of x_{2}. - sigda
- x
_{1}is a material conditional/'IF' statement (logical statement) saying that x_{2}(du'u) logically implies x_{3}(du'u) ("x_{3}is true if x_{2}is true; if x_{2}, then x_{3}; x_{2}being true is sufficient to guarantee the truth of x_{3}"). - cau'a
- elliptical/unspecified truth value; "maybe, maybe not"
- gi'o'i
- pro-bridi: in the second half of a bridi forethought connective expression, refers to the first half.
- ja'ai
- affirm last word: attached to cmavo to affirm them; denies negation by nai whenever it is applicable.
- ja'u
- na'e fancuka modal: no matter (indirect question)...
- jo'oi
- non-logical connective: the more ..., the more...
- lo'o'o
- plural logic maximum-scope descriptor: those who individually or collectively are ...
- lu'ei
- convert a grammatical quotation to a tanru unit; x
_{1}expresses/says the quoted text for audience x_{2}via expressive medium x_{3}. - mau'au
- mekso: conversion of operator/function to operand
- nau'o
- pro-sumti whose referent's identity is unknown to the speaker
- noi'i
- connective modifer/limiter
- ro'oi
- universal plural quantifier. “All.”
- su'oi
- existential plural quantifier. “There is/are.”
- xa'au
- Hadamard-Walsh-Rademaker-Fourier gate/transform.
- zau'e'u
- text affirmation/negation mode toggle
- esme
- x
_{1}(text) is written in a dialect where {su'o}, {ro} quantifiers are treated as {su'oi}, {ro'oi} respectively - geknimi
- x
_{1}is a part of Lojban text representing rule 'gek-sentence' according to the first edition of the book 'The Complete Lojban Language'. - inpociburu
- x
_{1}(event / state / property) is impossible under conditions x_{2} - klesrverlapi
- x
_{1}(set) and x_{2}(set) are sets which have non-empty mutual intersection and mutual relative complements (set subtraction; both orders of operands/directions considered); id est: x_{1}and x_{2}share at least one element, but also have a mutual symmetric difference such that neither is a subset of the other. - onga
- x
_{1}(text) is written in a dialect where selbri in every bridi-tail is assumed to have {so'o'o'oi} applied to it - pamrkovni
- x
_{1}is rational, prudent, judicious, level-headed with a limited ken (range of sight) - trajije
- x
_{1}=traji_{1}is superlative in property x_{2}=traji_{2}, the x_{3}=traji_{3}extrema (ka; default: ka zmadu), among set/range x_{4}=traji_{4}, and - moreover - (there exists at least one member of) the ((x_{5)^2)}th (li; 1 or 2) argument [see note] of this selbri actually has/is/attains said property x_{2}according to standard x_{6}. - uoldespisa
- x
_{1}is a part of Lojban text representing rule 'fragment' according to the first edition of the book 'The Complete Lojban Language'. - ek zei uanta
- x
_{1}is a part of Lojban text representing rule 'ek' according to the first edition of the book 'The Complete Lojban Language'. - gi'ek zei uanta
- x
_{1}is a part of Lojban text representing rule 'gihek' according to the first edition of the book 'The Complete Lojban Language'. - jek zei uanta
- x
_{1}is a part of Lojban text representing rule 'jek' according to the first edition of the book 'The Complete Lojban Language'. - pa zei zgabube
- x
_{1}is a part of Lojban text representing rule 'selbri-1' according to the first edition of the book 'The Complete Lojban Language'. - pamniarkovni
- x
_{1}is rational, prudent, judicious, level-headed with a limited ken (range of sight)