Definition
A logical principle stating that a conditional statement and its contrapositive are logically equivalent and therefore always have the same truth value.
Etymology
From Latin 'contrapositus' + '-ion' suffix. The term crystallized in medieval logic as scholars formalized the rules of valid reasoning inherited from Aristotle.
Kelly Says
This principle is so fundamental that it's used in everything from legal argumentation to debugging computer code—whenever you need to verify something by proving its negative form works!
Translations
AMአማርኛ
ተቃራኒነት
tʰɛkʼa.ɾa.ni.nɛt
BNবাংলা
বিপরীত
bi.pɔ.riː.tɔ
CACatalà
contraposició
kun.trɐ.pu.ziˈo
CSČeština
kontrapozice
kɔn.trɐ.po.zɪ.tsɛ
DADansk
kontrast
kʰɔnˈtʰʁast
DEDeutsch
Kontraposition
kɔn.tʁa.po.ziˈtsi̯oːn
ELΕλληνικά
αντιπαράθεση
an.ti.pa.ɾá.θe.si
ESEspañol
contraposición
kon.tɾa.po.siˈθjon
FAفارسی
مقابل قرار دادن
mɔqɑbɛl ɡɔzɑr dɑdæn
FISuomi
vastakkaisuus
vastakːaiːsːus
FRFrançais
contraposition
kɔ̃.tʁa.pɔ.zi.sjɔ̃
HAHA
makiyayi
ma.ki.ya.yi
HIहिन्दी
विरोधी स्थिति
virodhī sthiti
HUMagyar
ellentét
ɛl.lɛntɛt
IDBahasa Indonesia
kontraposisi
kɔnˈtrapɔ.si
IGIG
ịga emegide
iː.ɡa ɛ.mɛˈɡi.de
ITItaliano
contrapposizione
kon.trap.po.ziˈtsjo.ne
KKKK
қарама-қарсы
qɑɾɑmɑ qɑɾsɯ
KMKM
ការតម្រង់ទិស
kaː tɑm ruŋ tis
MSBahasa Melayu
kontraposisi
kɔnˈtrapɔ.si
MYမြန်မာ
ဆန့်ကျင်မှု
sʰɑ̰ɰ̃ t͡ɕɪ́ŋ m̥ù
NLNederlands
contrapositie
kɔn.trɑ.pɔˈsi
NONorsk
kontrast
kɔnˈtrast
PLPolski
kontrapozycja
kɔn.trɐ.pɔˈzɨ.t͡sja
PTPortuguês
contraposição
kõtʁa.pu.ziˈsɐ̃w
RORomână
contrapunere
kon.tra.puˈne.re
RUРусский
контрапозиция
kɐn.tɾa.pɐˈzɪ.t͡sɨ.jə
SVSvenska
kontrast
kɔnˈtrast
SWKiswahili
upinzani
u.pinˈza.ni
TAதமிழ்
எதிர்மறை
etirmarai
TEతెలుగు
వ్యతిరేకం
vyatirekam
THไทย
การวางตัวตรงข้าม
kɑːn wɑːŋ tuːa tʰɔŋ kʰɑːm
TLTL
kontraposisyon
kɔnˈtrapɔ.si.yon
TRTürkçe
karşı konum
kaɾˈʃɯ kɔ.num
UKУкраїнська
контрапозиція
kɔn.tɾa.po.ziˈtsijɐ
VITiếng Việt
đối lập
ɗɔ̤i˧˧ lap˧˧