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15
Math.TechQA.Club
2026-04-16 06:52:46
123
Views
Existence of a ball whose images under two continuous functions are disjoint.
Published on
16 Apr 2026 - 6:52
#real-analysis
#proof-verification
#proof-writing
112
Views
Proving the categoricity of an extension of ZFC2
Published on
15 Apr 2026 - 23:42
#proof-writing
#set-theory
#large-cardinals
413
Views
Proofs with implication statement logic for linear algebra
Published on
11 Apr 2026 - 10:33
#linear-algebra
#logic
#proof-writing
#proof-explanation
235
Views
Prove that a strictly monontone increasing sequence in $\Bbb{N}$ is greater or equal than its index.
Published on
16 Apr 2026 - 6:10
#real-analysis
#sequences-and-series
#proof-writing
299
Views
Can you explain how to write the proof of Section 1.15 Exercise 4(a) of Apostol's Calculus
Published on
09 Apr 2026 - 7:32
#calculus
#integration
#summation
#proof-writing
#partitions-for-integration
195
Views
Proof for a modular arithmetic identity.
Published on
11 Apr 2026 - 18:49
#number-theory
#proof-writing
#modular-arithmetic
504
Views
Why does the law of distributivity use the distributive property to prove it exists?
Published on
15 Apr 2026 - 3:55
#proof-verification
#proof-writing
#fractions
#rational-numbers
933
Views
How can I show the action of left translation by a topological group $G$ on itself is a continuous action using the ordinary definition of continuity?
Published on
11 Apr 2026 - 17:10
#general-topology
#continuity
#proof-writing
#group-actions
#topological-groups
2.4k
Views
Show that any set of n vectors in V spans V if and only if it is linearly independent.
Published on
14 Apr 2026 - 22:24
#linear-algebra
#proof-verification
#proof-writing
236
Views
Combinatorics) Painting a cube - how to prove constructive counting method?
Published on
12 Apr 2026 - 16:08
#probability
#combinatorics
#discrete-mathematics
#proof-writing
1.1k
Views
prove that the three points are collinear
Published on
15 Apr 2026 - 6:40
#geometry
#proof-verification
#proof-writing
#contest-math
#triangles
371
Views
Is there an abbreviation for "we want to prove that"?
Published on
11 Apr 2026 - 4:34
#proof-writing
#notation
3.5k
Views
What is a heuristic proof?
Published on
10 Apr 2026 - 23:48
#proof-writing
#proof-explanation
#proof-theory
247
Views
Prove that $\frac{a_1}{a_9} + \frac{a_2}{a_8}+...\frac{a_9}{a_1} \le 1 + \frac{4(p^2+q^2)}{pq}$
Published on
17 Apr 2026 - 0:31
#sequences-and-series
#proof-verification
#proof-writing
#contest-math
2.6k
Views
proving that the area of a 2016 sided polygon is an even integer
Published on
15 Apr 2026 - 0:05
#geometry
#proof-writing
#integers
#polygons
#angle
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