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Russian
доведение до противоречия
Portuguese
prova por absurdo
Spanish
demostracion por reduccion al absurdo
Catalan
demostració per contradicció
A form of indirect proof that establishes the truth or validity of a proposition.
proof by contradiction
indirect proof
apagogical argument
reductio ad impossibilem
reductio ad absurdum
Russian
доведение до противоречия
Synonyms
Examples for "
proof by contradiction
"
proof by contradiction
indirect proof
apagogical argument
reductio ad impossibilem
Examples for "
proof by contradiction
"
1
This declaration, in itself an
indirect
proof
of guilt, occasioned some commotion in the House.
2
Besides, there is
indirect
proof
that Napoleon looked on our blockade of the northern coasts as not unreasonable.
3
An
indirect
proof
of the diminution of the soil is to be found in the depopulation of the country.
4
Since a direct proof is impossible, an attempt was made to construct an
indirect
proof
by a comparison of bodily-organs.
5
At present I am content with the
indirect
proof
that the existence of such a standard is necessary to the existence of the arts.
Russian
доведение до противоречия
доказательство от противного
Portuguese
prova por absurdo
demonstração por contradição
prova por contradição
Spanish
demostracion por reduccion al absurdo
prueba por contradicción
argumentum ad absurdum
prueba por contradiccion
demostración por contradicción
reducción al absurdo
demostración por reducción al absurdo
reductio ad absurdum
ad absurdum
reduccion al absurdo
demostracion por contradiccion
demostracion por reducción al absurdo
demostracion por contradicción
Catalan
demostració per contradicció
reductio ad absurdum
reducció a l'absurd
prova per contradicció