The genuine realist, if he is an unbeliever, will always find strength and ability to disbelieve in the miraculous, and if he is confronted with a miracle as an irrefutable fact he would rather disbelieve his own senses than admit the fact.
What troubles me and makes me indignant is that of all the mass of facts heaped up by the prosecution against the prisoner, there is not a single one certain and irrefutable.
There are no more uses of "irrefutable" in the book.
Show samples from other sources
The vital importance played by the wolf in preserving rather than in destroying the caribou seemed irrefutable to me, although I was by no means sure it would appear in the same light to my employers.
Farley Mowat -- Never Cry Wolf
"Your logic is irrefutable, although its foundation isn’t sound."