discrete mathematics : Math Help

How many non-empty subsets are there of the set {1, 2, . . . , n}? Give your answer in closed form.

combinatorics discrete-mathematics
Updated July 12, 2020 19:20 PM

Solve $x^5\equiv 4\pmod 7$

elementary-number-theory discrete-mathematics problem-solving
Updated July 12, 2020 19:20 PM

Prove a graph has exactly $k$ spanning trees

discrete-mathematics graph-theory trees
Updated July 12, 2020 16:20 PM

Prove these statements about trees is the same

discrete-mathematics graph-theory trees
Updated July 12, 2020 14:20 PM

Writing down a symbolic logic proof of "there is a rational between two different rationals".

discrete-mathematics logic propositional-calculus predicate-logic
Updated July 12, 2020 09:20 AM

What concept of order is introduced in the twentyfold way?

combinatorics discrete-mathematics relations order-theory equivalence-relations
Updated July 12, 2020 05:20 AM

Intuitionistically unprovable statements about the natural numbers

logic constructive-mathematics intuitionistic-logic
Updated July 12, 2020 03:20 AM

Prove by mathematical induction that $n^2 < 2^n$

discrete-mathematics induction
Updated July 12, 2020 02:20 AM

optimization of the multiplication of two variables

optimization convex-analysis convex-optimization nonlinear-optimization discrete-optimization
Updated July 12, 2020 00:20 AM

Transforming constraints into linear inequality

optimization linear-programming discrete-optimization
Updated July 12, 2020 00:20 AM

Optimality condition for convex problem

optimization convex-optimization discrete-optimization
Updated July 12, 2020 00:20 AM

Proving Fibonacci

discrete-mathematics fibonacci-numbers
Updated July 11, 2020 22:20 PM

find f(1) in the following function $f(t^2) = f(t)^2$

linear-algebra functions discrete-mathematics contest-math exponential-function
Updated July 11, 2020 14:20 PM

simplifying quadratic and higher degree expressions in partial fractions method

calculus integration indefinite-integrals recreational-mathematics
Updated July 11, 2020 13:20 PM

Mathematical problems which prompts the creation of new theories

analysis discrete-mathematics soft-question problem-solving
Updated July 11, 2020 09:20 AM

Propositional truncation $||$-$||$ and double negation $\neg\neg$

type-theory constructive-mathematics intuitionistic-logic homotopy-type-theory
Updated July 11, 2020 08:20 AM

How to plot a plane with the given normal vector (numerically)?

computational-mathematics computational-geometry
Updated July 11, 2020 07:20 AM

Determine the truth value of following statement

discrete-mathematics logic quantifiers
Updated July 11, 2020 02:20 AM

is sin(x) / sin(x) = 1?

calculus discrete-mathematics education python
Updated July 10, 2020 22:20 PM

Consider the set $A = \mathbb{N}×\mathbb{N}$ and the relation $R = \{((x, y),(z, w)) ∈ A×A : x+y = z+w\}$.

discrete-mathematics
Updated July 10, 2020 20:20 PM

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