more from this thinker
|
more from this text
Single Idea 2252
[filed under theme 6. Mathematics / A. Nature of Mathematics / 1. Mathematics
]
Full Idea
Surely whether I am asleep or awake, two plus three makes five, and a square does not have more than four sides.
Gist of Idea
Surely maths is true even if I am dreaming?
Source
René Descartes (Meditations [1641], §1.20)
Book Ref
Descartes,René: 'Discourse on Method/The Meditations', ed/tr. Sutcliffe,F.E. [Penguin 1968], p.98
The
30 ideas
with the same theme
[discovered or invented, within or outside nature]:
560
|
Mathematical precision is only possible in immaterial things
[Aristotle]
|
9076
|
Mathematics studies the domain of perceptible entities, but its subject-matter is not perceptible
[Aristotle]
|
12377
|
Mathematics is concerned with forms, not with superficial properties
[Aristotle]
|
2252
|
Surely maths is true even if I am dreaming?
[Descartes]
|
2430
|
I can learn the concepts of duration and number just from observing my own thoughts
[Descartes]
|
17185
|
Mathematics deals with the essences and properties of forms
[Spinoza]
|
16918
|
Mathematics cannot proceed just by the analysis of concepts
[Kant]
|
12427
|
All of mathematics is properties of the whole numbers
[Kronecker]
|
15910
|
Cantor named the third realm between the finite and the Absolute the 'transfinite'
[Cantor, by Lavine]
|
16869
|
To create order in mathematics we need a full system, guided by patterns of inference
[Frege]
|
12456
|
I aim to establish certainty for mathematical methods
[Hilbert]
|
12461
|
We believe all mathematical problems are solvable
[Hilbert]
|
8717
|
Hilbert wanted to prove the consistency of all of mathematics (which realists take for granted)
[Hilbert, by Friend]
|
10059
|
In mathematic we are ignorant of both subject-matter and truth
[Russell]
|
18119
|
Mathematics is a mental activity which does not use language
[Brouwer, by Bostock]
|
10132
|
There can be no single consistent theory from which all mathematical truths can be derived
[Gödel, by George/Velleman]
|
18281
|
In mathematics everything is algorithm and nothing is meaning
[Wittgenstein]
|
9935
|
Mathematical truth is always compromising between ordinary language and sensible epistemology
[Benacerraf]
|
9812
|
In mathematics, if a problem can be formulated, it will eventually be solved
[Badiou]
|
6298
|
Kitcher says maths is an idealisation of the world, and our operations in dealing with it
[Kitcher, by Resnik]
|
12392
|
Mathematical a priorism is conceptualist, constructivist or realist
[Kitcher]
|
18078
|
The interest or beauty of mathematics is when it uses current knowledge to advance undestanding
[Kitcher]
|
12426
|
The 'beauty' or 'interest' of mathematics is just explanatory power
[Kitcher]
|
9226
|
If mathematical theories conflict, it may just be that they have different subject matter
[Field,H]
|
6304
|
Mathematical realism says that maths exists, is largely true, and is independent of proofs
[Resnik]
|
10201
|
Virtually all of mathematics can be modeled in set theory
[Shapiro]
|
9604
|
Mathematics is the only place where we are sure we are right
[Brown,JR]
|
4240
|
It might be argued that mathematics does not, or should not, aim at truth
[Lowe]
|
10880
|
Mathematics can be 'pure' (unapplied), 'real' (physically grounded); or 'applied' (just applicable)
[Clegg]
|
15907
|
Mathematics is nowadays (thanks to set theory) regarded as the study of structure, not of quantity
[Lavine]
|