Join experts in discussion on Set Theory, Logic, Probability, Statistics topics. Fundamentals in Set theory, logic and proofs. Probability and statistics also. Homework help is available.
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Graduate Second number class cardinality: alef-0 or alef-1?
- Stoney Pete
- · Replies 7 ·
Graduate Can Every Boy Marry a Girl Given These Conditions?
- micromass
- · Replies 22 ·
Undergrad RISK: Can Strategy Affect Probability of Winning?
- Astudious
- · Replies 1 ·
Graduate Inverse Efficiency Matrix (error)
- ChrisVer
- · Replies 1 ·
Graduate Lukasiewicz-Slupencki three-valued calculus
- nomadreid
- · Replies 5 ·
Geometric distribution with varying time intervals
- nicole58
- · Replies 1 ·
Graduate How Can I Find the PDF Along One Axis for Exponential Decay in 2D Space?
- touqra
- · Replies 1 ·
Undergrad How many 7-digit numbers are divisible by 7 and composed of digits 1-7?
- Greg Bernhardt
- · Replies 4 ·
Graduate Code for Simulation of SDEs using Girsanov Theorem
- ahsanamin
- · Replies 2 ·
Need book recommendation for Set Theory word problems
- LeoSmolka
- · Replies 6 ·
Proving $A=B$ from Sets $A,B,C$
- Albert1
- · Replies 2 ·
Graduate Vacuously True Starting Point in Transfinite Induction
- BDV
- · Replies 17 ·
What are the implications of studying logic?
- Chris L T521
- · Replies 1 ·
Amount of interest and maturity value
- ammanda
- · Replies 3 ·
Undergrad Maths/philosophy question - equation for 'tomorrow never comes'
- Hskul
- · Replies 12 ·
Undergrad Is the correlation coefficient significant in this data set?
- freshcoast
- · Replies 24 ·
Graduate Game theory -- Nash equilibrium
- nomadreid
- · Replies 14 ·
Getting ready for the final, don't understand how to answer these
- chriskeller1
- · Replies 3 ·
Graduate Sum of non-identical non-central Chi-square random variables.
- no999
- · Replies 2 ·
Distinguishing tree edges from back edges in depth-first search
- evinda
- · Replies 2 ·
Can You Solve These Challenging AP Stats Problems?
- cp102
- · Replies 1 ·
Undergrad How to study discrete math effectively for a final exam
- eseefreak
- · Replies 4 ·
Strict Total Order for Real Numbers
- evinda
- · Replies 22 ·
Finding a unique example of normal distribution
- trizzel2002
- · Replies 1 ·
Graduate Do infinite integers exist in base-1 numeral systems?
- Vincent_
- · Replies 16 ·
Conditional expected value (using measure theory)
- Barioth
- · Replies 2 ·
Graduate Conditional Epectation of Multinomial
- torquerotates
- · Replies 2 ·
Graduate Mean and weighted mean comparison
- gianeshwar
- · Replies 7 ·
Graduate Example of Stochastic DE for elementary physics?
- Stephen Tashi
- · Replies 0 ·
Graduate What ultrafilter types exist without the axiom of choice?
- BDV
- · Replies 2 ·
Graduate Natural numbers distributive lattice
- Xael
- · Replies 1 ·
Graduate What Are the Constraints of a Valid Covariance Matrix?
- weetabixharry
- · Replies 5 ·
Undergrad Why Does My Son's Board Game Yield Odd Distribution Patterns with a Special Die?
- DrClaude
- · Replies 2 ·
Prove that A - (B U C) = (A - B) ∩ (A - C)
- KOO
- · Replies 3 ·
High School What is the difference between permutations and combinations in probability?
- DmytriE
- · Replies 5 ·
Undergrad Can Technical Analysis Guarantee Profitable Trading?
- grafs50
- · Replies 4 ·
Graduate Partner study for grad students on winter break: Success stories?
- ben-ui
- · Replies 2 ·
Graduate Difficulty with summation of non-central chi-squared random variables
- Jeff.Nevington
- · Replies 3 ·
Why is $X \subset \mathcal{P}X$ true for a transitive set $X$?
- evinda
- · Replies 6 ·
Undergrad Analysis of two treatments with respect to controls
- ciubba
- · Replies 15 ·
Graduate Can you use direct proof for vacuous conditionals?
- HyperActive
- · Replies 9 ·
Why does the implication hold?
- evinda
- · Replies 2 ·
Proving $\bigcap B$ is an Inductive Set
- evinda
- · Replies 14 ·
Graduate Orientation distribution function
- pathfinder
- · Replies 3 ·
Graduate Skewed Generalized Gaussian Distribution
- geo101
- · Replies 2 ·
Undergrad Pemutations of n objects not all distinct
- andyrk
- · Replies 1 ·
Graduate Probability convolution problem
- fruitbubbles
- · Replies 2 ·
Undergrad Permuations and Combinations Problem
- andyrk
- · Replies 6 ·
Unbounded subset of ordinals a set?
- RWood
- · Replies 1 ·
Graduate How to construct the decoding function β for Gödel numbered sequences
- nomadreid
- · Replies 2 ·
Undergrad Depdendent, Independent, and Complementary Events
- PFuser1232
- · Replies 6 ·
High School How to Calculate Interest in a Variable Interest Account?
- DjDukes
- · Replies 1 ·
Undergrad Two measurements from different sources - how to combine?
- 9988776655
- · Replies 4 ·
Undergrad Can Intersecting Events in Probability be Independent?
- PFuser1232
- · Replies 4 ·
Undergrad Probability question involving picking balls from a bag
- Ryuzaki
- · Replies 1 ·
Show that $S(m)=\Theta(m^2)$ with Recurrence Relation
- evinda
- · Replies 2 ·
Proving the Solution of a Recurrence Relation Using Induction
- mathmari
- · Replies 1 ·
Solve Recurrence $$T(n)=aT(n-1)+bn^c$$
- mathmari
- · Replies 1 ·
Graduate Question regarding proofs and theorems
- res3210
- · Replies 2 ·
Undergrad What is the best method for plotting function parameter errors?
- ChrisVer
- · Replies 7 ·
Graduate Calculating the Number of Ways to Make n with k Integers from Given Ranges
- Awlad Hossain
- · Replies 4 ·
Undergrad How to get the normalized log-normal distribution equation?
- Seunghyun Moon
- · Replies 1 ·
Determining ratio of a 2 part mix
- rustyskills
- · Replies 4 ·
Undergrad Probability of Deck of Cards, ignoring suits
- Lenus
- · Replies 10 ·
Graduate Solving a inclusion-exclusion problem
- Awlad Hossain
- · Replies 2 ·
Graduate Proving ~(P<->Q) ⊣ ⊢ (P<->~Q)
- Hazzardman
- · Replies 6 ·
Conditional combinatorics (by frequency of elements)
- Lee1
- · Replies 7 ·
Undergrad What is the purpose of set S in a function's image definition?
- Nert
- · Replies 4 ·
Union or Intersection for f(x)=0 When x in A and B
- evinda
- · Replies 2 ·
Minimal successor set - difficult
- Andrei1
- · Replies 1 ·
Is the language ${L}_{n}$ regular?
- JamesBwoii
- · Replies 3 ·
Graduate How Does the Indicator Function Prove 1A U (B∩C) = 1A.(1B + 1C - 1B.1C)?
- vandanak
- · Replies 2 ·
Undergrad Interpretation of the maximum value of a CDF
- dranglerangus
- · Replies 4 ·
Proving languages are not regular.
- JamesBwoii
- · Replies 5 ·
What is the efficiency of the energy conversion in the cannon bore?
- Fantini
- · Replies 5 ·
Result of an increased % when ONLY the result of the OLD % is known
- mhazaa
- · Replies 4 ·
High School Proportion of Pupils Speaking 3 Languages Out of Total Number of Pupils
- Matt
- · Replies 2 ·
Rewrite as a formal proposition
- ash1
- · Replies 1 ·
Cumulative distribution function for device lifetime with exponential density
- tiffyuyu
- · Replies 1 ·
Probability question (mean, SD)
- tiffyuyu
- · Replies 1 ·
Graduate Regression Analysis of Tidal Phases
- edge333
- · Replies 2 ·
Prove No Bijection between x and x^+
- Andrei1
- · Replies 1 ·
Correcting a 2 x 3 Factorial ANOVA Chart
- MWR
- · Replies 4 ·
Proof related to the expected value of cardinality
- baiyang11
- · Replies 4 ·
High School Random combination of letter generator
- rppearso
- · Replies 2 ·
Graduate Game Theory Q: Proving Player Win w/Axiom of Choice
- dhong
- · Replies 1 ·
Math Logic: Equivalency, Validity, and Consequence
- hossam killua
- · Replies 1 ·
Undergrad The probability of an event occurring at least x times?
- mpatryluk
- · Replies 8 ·
Undergrad Are all rational numbers normal?
- gummz
- · Replies 3 ·
Compound interest and loan payment calculations
- supergenius04
- · Replies 1 ·
Show that the function is 1-1 and onto
- evinda
- · Replies 1 ·
Undergrad Pearson Correlation in Sleep Studies
- trustnoone
- · Replies 1 ·
Solving Linear Recurrence Relations
- taya
- · Replies 2 ·
Graduate Error Propagation and Uncertainties in Parameters
- SamBam77
- · Replies 5 ·
Determine dynamics of stochastic differential equations (SDE)
- AxeO
- · Replies 2 ·
A question related to cardinality and probability
- baiyang11
- · Replies 2 ·
High School How to derive a simple profit equation. Kinda embarrassing.
- AcousticBruce
- · Replies 5 ·
Undergrad Binomial Distribution and the Classical Definition of Probability
- Soumalya
- · Replies 10 ·
Equivalence relation-equivalence classes
- evinda
- · Replies 5 ·
Calculate Relations with Hey! (Nerd)
- evinda
- · Replies 6 ·