structure for 'Knowledge Sources'    |     alphabetical list of themes    |     expand these ideas

12. Knowledge Sources / A. A Priori Knowledge / 2. Self-Evidence

[knowledge that is immediately grasped or obvious]

15 ideas
Start a thesis with something undisputable [Diogenes of Apollonia]
Experienceless bodies have space; propertyless bodies have substance; this must be seen a priori [Kant]
Mathematicians just accept self-evidence, whether it is logical or intuitive [Frege]
Frege's concept of 'self-evident' makes no reference to minds [Frege]
Self-evidence is often a mere will-o'-the-wisp [Russell]
Some propositions are just self-evident, but some proven propositions are also self-evident [Russell]
Particular instances are more clearly self-evident than any general principles [Russell]
As shown by memory, self-evidence comes in degrees [Russell]
If self-evidence has degrees, we should accept the more self-evident as correct [Russell]
If the truth doesn't follow from self-evidence, then self-evidence cannot justify a truth [Wittgenstein]
A sentence is obvious if it is true, and any speaker of the language will instantly agree to it [Quine]
It is hard to give the concept of 'self-evident' a clear and defensible characterization [Bonjour]
Fregean self-evidence is an intrinsic property of basic truths, rules and definitions [Hart,WD]
Two propositions might seem self-evident, but contradict one another [Grayling]
There are 'armchair' truths which are not a priori, because experience was involved [Williamson]