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Requiring no proof or explanation.

self′-ev′i·dence n.
self′-ev′i·dent·ly adv.
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References in classic literature ?
He added as a self-evident proposition, engendering low spirits, "But you can't marry, you know, while you're looking about you."
"For if," said he, with the sort of self-evident proposition which many a clearer head does not always avoid, "we are too long going over the house, we shall not have time for what is to be done out of doors.
Robert Audi's two-condition account of self-evidence explains the connection between a believer and a self-evident proposition. A true proposition p is self-evident if (1) a subject S is justified in believing p in virtue of understanding it and (2) if S believes p on the basis of understanding it, then S knows it.
Regarding the first, Weingartner dwells at length on how the notion of a self-evident proposition can be represented in predicate logic.
Note that strong moral foundationalism has the odd consequence that an agent could be justified in believing some self-evident proposition P even if P was radically incoherent with the other things S believes.
But more-control-equalsless-crime is not a self-evident proposition. Americans on both sides need to acknowledge the complexity of the problem of violence.
This may seem a self-evident proposition, but it was not a widely held view.
This principle is not self-evident, nor can this principle be deduced from any self-evident proposition. Therefore, there's no reason to think it's true.
Since independence, however, this no longer seems a self-evident proposition. Once in power, nationalist elites turned out to be no less corrupt and brutal than the colonial officials they replaced.
Suppose, further, that a proposition, p, is self-evident for an agent, S, just in case S apprehends p clearly and distinctly.(11) Can we say that my believing a self-evident proposition, together with that proposition's being true, yields knowledge?
In his 1992 book Against Excess, Kleiman writes: "Aside from the almost self-evident proposition that smoking anything is probably bad for the lungs, the quarter century since large numbers of Americans began to use marijuana has produced remarkably little laboratory or epidemiological evidence of serious health damage done by the drug."
A self-evident proposition is (roughly) a truth such that understanding it will meet two conditions: that understanding is (a) sufficient for one's being justified in believing it ...