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proof

Examples
In a sentence
Potrebujem dôkaz.
I need evidence.
Nemáte dôkaz.
You have no proof.
Nemali sme dôkaz.
We had no proof.
Nemáme dôkaz, že sa to naozaj stane.
There's no proof that it'll actually happen.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Example sentences from Tatoeba (CC BY 2.0 FR).
Full attribution on References.