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15
Math.TechQA.Club
2018-02-07 09:44:29
414
Views
How obvious must it be before being allowed to use "Without Loss of Generality" in a proof
Published on
07 Feb 2018 - 9:44
#discrete-mathematics
#proof-writing
507
Views
Schlegel diagram and d-diagram
Published on
01 Apr 2026 - 14:16
#discrete-mathematics
#polytopes
#discrete-geometry
799
Views
For all $n\in\mathbb{N}$, let $a_n$ denote the number of strings of length $n$ over $\{1,2,3,4\}$ such that:
Published on
25 Mar 2026 - 6:22
#combinatorics
#discrete-mathematics
#recurrence-relations
#binomial-theorem
600
Views
How many numbers from $1$ to $99999$ have the sum of the digits $= 15$?
Published on
25 Mar 2026 - 11:16
#combinatorics
#discrete-mathematics
#combinations
59
Views
How can we show that $y_n=z_n$?
Published on
25 Mar 2026 - 23:38
#real-analysis
#sequences-and-series
#algebra-precalculus
#discrete-mathematics
#recurrence-relations
233
Views
Counterexample for floor function: $\lfloor x+y \rfloor \geq \lfloor x \rfloor + \lfloor y \rfloor $
Published on
25 Mar 2026 - 1:18
#discrete-mathematics
#examples-counterexamples
#ceiling-and-floor-functions
101
Views
What is $\frac{1}{2}$ equal to in $\mathbb{Z_7}$?
Published on
07 Feb 2018 - 16:11
#discrete-mathematics
477
Views
Write each of the following arguments in argument form. Then, use the rules of inference to show that each argument is valid.
Published on
26 Mar 2026 - 18:51
#discrete-mathematics
#logic
#computer-science
45
Views
When a quantity varies over space, why is it described with a single function?
Published on
29 Mar 2026 - 18:12
#multivariable-calculus
#discrete-mathematics
#continuity
30
Views
The parametric equations of a straight line passing between two points
Published on
07 Feb 2018 - 17:09
#discrete-mathematics
1.8k
Views
A group of 30 dice are thrown. What is the probability that 5 of each of the values 1 , 2 , 3 , 4 , 5 , 6 appear?
Published on
07 Feb 2018 - 19:23
#probability
#discrete-mathematics
69
Views
How can I establish the inverse function?
Published on
07 Feb 2018 - 21:08
#calculus
#discrete-mathematics
639
Views
Arranging $n$ people around a circular table so that no that no one is to the right of the same person as in the previous seating
Published on
25 Mar 2026 - 11:01
#combinatorics
#discrete-mathematics
#permutations
#inclusion-exclusion
676
Views
Discrete Math proof equations
Published on
08 Feb 2018 - 0:04
#discrete-mathematics
70
Views
Proving a floor function
Published on
26 Mar 2026 - 7:37
#elementary-number-theory
#discrete-mathematics
#proof-verification
#proof-writing
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