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41
Posts
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Jul
27
asked
Derivative in terms of finite differences
May
24
asked
Spectral theorem from Jordan decomposition in infinite dimensions
Nov
13
asked
Constructivity of zeros demanded by topological degree
Aug
26
asked
Brouwer fixed points via flow
Jun
22
asked
Relationship of Euler product to coprimality densities for arbitrary sets of primes
Jun
22
asked
Additivity of asymptotic density of periodic sets
May
12
asked
Commuting limits in relating the harmonic series to coprimality densities
Nov
19
answered
Proof without words for surface area of a sphere
Nov
17
answered
Tarski's Theorem and Gödel's Second Incompleteness Theorem
Oct
21
asked
Properly “transfinitely” Euclidean domains
Oct
4
answered
wellfounded sets and predecessors
Aug
31
asked
Intuitionistic consistency of surjection from naturals to reals
Aug
1
answered
Are all the theorems true?
May
2
answered
existence of a field that has a non surjective ring homomorphism
Jan
11
asked
“Highly balanced” periodic functions
Nov
21
answered
Union of a object (a set) in the Elementary Theory of the Category of Sets
Nov
4
answered
What is a complex inner product space “really”?
Nov
1
answered
Can the Riemann hypothesis be undecidable?
Jul
28
answered
What is a colimit, really?
Jul
21
answered
Surreal Numbers and Set Theory
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