WordNet
n. an assumption that is basic to an argument [syn: basic assumption, constatation]
Usage examples of "self-evident truth".
No matter how insupportable the claims of these cures, their benefits would be vehemently supported as self-evident truth.
They were separated in time by the carpenter and one of his mates and the American withdrew, followed by cries of 'Yankee poodle' and 'Keep your side of the bloody stream,' for the Surprises felt it to be a self-evident truth that all the territory this side was theirs.
The collective of the physics orthodoxy were literally incapable of seeing a fact that went against what in their minds had taken on the quality of self-evident truth.
Surely you, sir, an educated, cultured man, can see that what I say is self-evident truth.
To her, they'd seemed a self-evident truth, as much a given as tomorrow's sunrise.