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1 vote
0 answers
95 views

What are the criteria for a subject to be under the domain of mathematics [duplicate]

It is to my understanding that mathematics is in some way the domain of all logical systems. However unconventional, as long as certain criterias are met, they could be considered as part of ...
Arden Tsang's user avatar
9 votes
4 answers
959 views

Proof by Contradiction: "Bad Form" or "Finest Weapon"? Reconciling Perspectives [duplicate]

G.H. Hardy famously described proof by contradiction as "one of a mathematician's finest weapons." However, I've encountered claims that some schools of thought consider proof by ...
Nagaraju Chukkala's user avatar
0 votes
0 answers
33 views

On motivations of continuous geometry

The development of continuous geometry as an abstract field seems to be following a trend of removing the significance of low-dimensional entities from geometry. As classical treatments of geometry ...
Aryan's user avatar
  • 1,528
2 votes
2 answers
162 views

Does it make sense to divide mathematical theorems into those susceptible to experimental conjecture and those that are not?

I read the following in a good book: ”let's start from zero", the authors are Vinicio Villani and Maurizio Berni (pisan mathematicians) but I don't know if the book is also marketed outside Italy....
Fausto Vezzaro's user avatar
7 votes
0 answers
175 views

Reference request: which theorems are "interesting" to mathematicians?

Disclaimer: this question is more about philosophy of mathematics than technical mathematics. Mathematicians always need to choose what to focus their work on. Many pure mathematicians like to say ...
nonagon's user avatar
  • 143
1 vote
1 answer
207 views

Is the term "category" in Category theory entirely different from the category in topological spaces?

$(X, \tau) $ be a topological space. $A\subset X$ is said to be first category (meager) if it can be expressed as a countable union of nowhere dense sets. Otherwise we call the set $A$ second ...
Ussesjskskns's user avatar
1 vote
0 answers
79 views

Philosophical/Historical question on the word "kernel" in Algebra

My question is little philosophical/historical, and it came to mind due to some natural curiocity. The word kernel appears in many contexts in abstract algebra. (It also appears in other branches of ...
Maths Rahul's user avatar
  • 3,047
4 votes
1 answer
126 views

Why does Hadamard claim that Pascal could have discovered non-Euclidean geometry

In The psychology of invention in the mathematical field, p. 53, Hadamard makes the following claim: Is his point that there must, in any axiomatic theory, be undefined terms, and if you write the ...
10012511's user avatar
  • 684
7 votes
2 answers
564 views

Paradigm Shifts in Mathematics [closed]

in physics there were several clear revolutions or paradigm shifts which fundamentally changed the field. One example is the copernican revolution and the encompassing shift from the ptolemaic to ...
MrRaoulDukeOfAspenColorado's user avatar
1 vote
1 answer
299 views

Is there a relation between the ZFC set axioms and our intuitive notion of sets?

A question about history. When I took my first course in set theory, I had the perception that ZFC axioms weren't the most intuitive thing in relation to what common people would usually call a set. ...
samuraivader's user avatar
4 votes
0 answers
87 views

Non-associativeness of composition in deductive systems?

WARNING: The first three and last two paragraphs of this question concern historical/philosophical matters related to a secondary aim of the question. If you are more interested in the properly ...
Dry Bones's user avatar
  • 697
8 votes
3 answers
508 views

If we didn't have examples of irrational numbers, would we know they exist?

Irrational numbers are very easy to find. Square roots require only a little bit more than the most basic arithmetic. So it might be that this question is impossible to answer because it presupposes a ...
Nacht's user avatar
  • 199
1 vote
1 answer
72 views

Can you convert a categorical proposition into a zeroth order proposition?

I am a student learning mathematical logic as a hobby. When I say "zeroth order" I mean "not predicate logic". Question: Is it possible to convert a categorical proposition into a zeroth-order ...
Matthew Moore's user avatar
4 votes
1 answer
477 views

Is there criticism in literature of Euclid's fifth common notion ("The whole is greater than the part")?

In Book I of Euclid's Elements, the fifth common notion says "The whole is greater than the part". For Euclid, magnitudes are objects that can be compared, added, and subtracted, provided they are of ...
Dreamer123's user avatar
0 votes
2 answers
349 views

What are the arguments of the mathematicians who objected against the ontological proof Gödel offered?

Q: What are the arguments of the mathematicians who objected against the ontological argument/proof Gödel offered? $$ \begin{array}{rl} \text{Ax. 1.} & \left\{P(\varphi) \wedge \Box \; \forall ...
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