0 impossible to doubt because of being obviously true:
1 impossible to doubt because obviously true:
incontrovertible proof
The fact that alterations in social behavior occur during adolescence is incontrovertible.
One implication of this incontrovertible fact might be that toleration is always prima facie wrong in such cases.
The grammatical point on which it is based would seem incontrovertible.
The facts of science were, of course incontrovertible.
Based on the way lexical neighbourhoods are calculated, these findings are incontrovertible.
That our basic, traditional operatic repertory drips with female blood is incontrovertible.
All partiality must be cast aside in the light of incontrovertible evidence.
For more than two thousand years, they hoped that their methods of investigation would lead them to incontrovertible insights into the essence of things.
