indubitability , also: indubitableness

So neither incorrigibility nor indubitability can provide us with an alternative form of foundationalism.

Alston (1971) analyses the differences between infallibility, incorrigibility, indubitability etc.

We could define incorrigibility and indubitability thus:

We could call this a 'defeasible' or 'prima facie'justification; it is weaker than that provided by indubitability, because it countenances the possibility that there be reasons against a basic belief.

Both made reactionary and opportunistic attempt to save the idealist/rationalist notion (of certainty, eternity, universality, a priority, indubitability etc.) of human knowledge when faced with the fatal onslaught and challenge from the inexorable new radical developments in empiricism, natural science, materialism, and also of dialectical materialism in the case of Einstein.