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15
Math.TechQA.Club
2026-04-14 08:02:03
188
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What does $f(x,x)$ mean?
Published on
14 Apr 2026 - 8:02
#functions
#notation
105
Views
Delta symbol meaning in mean curvature equation for level set
Published on
13 Apr 2026 - 1:41
#notation
204
Views
sigma squared notation
Published on
10 Apr 2026 - 9:53
#statistics
#notation
#sampling
#sampling-theory
997
Views
Using logic symbols "fluently" in mathematics. How can I show that one set of conditions, represented by logic symbols, is independent of another?
Published on
12 Apr 2026 - 20:06
#logic
#notation
#proof-writing
#proof-theory
36
Views
Is $\Sigma$ only for formula-dependent sequence?
Published on
11 Apr 2026 - 14:45
#notation
1.8k
Views
Confusion in fraction notation
Published on
08 Apr 2026 - 17:20
#notation
#fractions
76
Views
Writing mathematically a formula that checks every digit
Published on
13 Apr 2026 - 15:29
#notation
717
Views
Why is modular arithmetic defined as a "similarity" and not an operation?
Published on
13 Apr 2026 - 0:56
#notation
#modular-arithmetic
#definition
#congruences
245
Views
Unclear notation in Monk's "Mathematical Logic"
Published on
13 Apr 2026 - 8:11
#logic
#notation
#model-theory
1k
Views
Correct pronunciation of $\in$.
Published on
14 Apr 2026 - 2:51
#notation
#pronunciation
202
Views
What is the meaning of "up to the order $O(\epsilon^{n})$" in perturbation theory?
Published on
13 Apr 2026 - 23:33
#soft-question
#notation
#asymptotics
#perturbation-theory
135
Views
Product of $(x-1)(x-2)(x-3)\ldots (x-k+1)$
Published on
16 Apr 2026 - 0:25
#notation
358
Views
Terminology and notation: what is the meaning of $\sigma(\cdot)$ and $[x]: = \{1, \ldots,x\}$?
Published on
16 Apr 2026 - 2:35
#combinatorics
#notation
#terminology
1.8k
Views
Mathematical notation for Hash Tables
Published on
16 Apr 2026 - 15:32
#functions
#notation
#hash-function
1.6k
Views
Function definition notation
Published on
08 Apr 2026 - 1:02
#functions
#notation
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