Set Theory, Logic, Probability, Statistics Forum

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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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Discuss Ten Simple Rules for Effective Statistical Practice
  • Ackbach
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Insights How to Get Started with Bayesian Statistics
  • Dale
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12
  • Sticky
Insights Frequentist vs Bayesian Probability: What's the Difference?
  • Dale
  • · Replies 44 ·
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  • Sticky
Insights How Bayesian Inference Works in the Context of Science
  • Dale
  • · Replies 13 ·
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Undergrad Please Explain (actually explain) The Monty Hall Problem
  • Timbre
  • · Replies 139 ·
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Undergrad The countability paradox of computable numbers
  • Warp
  • · Replies 11 ·
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Graduate Probability puzzle
  • WMDhamnekar
  • · Replies 22 ·
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Undergrad Calculating sample size?
  • Andy Resnick
  • · Replies 17 ·
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Undergrad The problem of points
  • Gavran
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4
Undergrad Does Artemov's "S-consistency" really revive the Hilbert Program?
  • nomadreid
  • · Replies 4 ·
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Undergrad Odd coincidence: two people with same name living on the same street
  • Mark44
  • · Replies 13 ·
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Undergrad Conditional variance and total variance
  • Kakashi
  • · Replies 1 ·
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Undergrad I don't understand Dedekind cuts
  • Warp
  • · Replies 14 ·
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Undergrad Is Prof. Claus Kiefer's application of Gödel (+ infinity) justified?
  • nomadreid
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Undergrad How does axiom of foundation prevent infinite sequence of elements?
  • Hill
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2
High School How Rare Is Low Smartphone Usage Among Metro Travelers in Japan?
  • Hornbein
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21
Undergrad Can it be called a model if a sentence doesn't hold in it?
  • Hill
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Undergrad Formalizing infinity sets
  • antaris
  • · Replies 3 ·
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3
High School The wisdom of betting on a losing gamble
  • DaveC426913
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Graduate When can transitivity emerge from cycle-suppressing dynamics?
  • DavidMartin
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Undergrad Bell's Theorem looks like Monty Hall problem in reverse
  • Scott Mayers
  • · Replies 5 ·
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5
Graduate Expected numbers of cards of a last color remaining
  • WMDhamnekar
  • · Replies 25 ·
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Undergrad Variation of Monty Hall problem
  • coolkatmeow
  • · Replies 7 ·
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Undergrad Particle clusters in a random lattice
  • sha1000
  • · Replies 3 ·
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3
High School Baccarat math and beating the edge
  • elusiveshame
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3
High School Is everything in math either an axiom or a theorem?
  • Feynstein100
  • · Replies 73 ·
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Undergrad "Alien objects", Stillwell's "Reverse Mathematics"
  • Hill
  • · Replies 8 ·
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Undergrad A variant of the Monty Hall problem
  • Pikkugnome
  • · Replies 9 ·
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9
Undergrad Understanding permutations and combinations in a coin toss experiment
  • Kakashi
  • · Replies 6 ·
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6
Undergrad My basic understanding of set theory
  • mr3000
  • · Replies 20 ·
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Graduate Hypothesis testing: Defining H0, HA hypotheses so that ( H_A)_A' makes sense
  • WWGD
  • · Replies 4 ·
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Can You Help Prove This Combinatorial Identity?
  • Lancelot1
  • · Replies 3 ·
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High School Two interesting number theory tricks
  • Mark44
  • · Replies 3 ·
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3
Undergrad How do E[X] and E[|X|] relate?
  • MidgetDwarf
  • · Replies 6 ·
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Undergrad Significant figures for inherently bound values
  • jambaugh
  • · Replies 6 ·
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6
High School Onto set mapping is the surjective set mapping, and into injective?
  • mcastillo356
  • · Replies 26 ·
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Undergrad Value of intuitionistic logic
  • cianfa72
  • · Replies 11 ·
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Undergrad Formal derivation of statement from Peano Arithmetic system
  • cianfa72
  • · Replies 10 ·
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Undergrad Deductive proof in logic formal systems
  • cianfa72
  • · Replies 4 ·
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High School Here's a Statistics problem for game of Polo (or Hockey if you like)
  • wirefree
  • · Replies 3 ·
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High School Roulette wheel physics and probability
  • dimes
  • · Replies 9 ·
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9
Undergrad Detail of Diagonalization Lemma
  • nomadreid
  • · Replies 1 ·
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Undergrad Fourier transforms in Hilbert Space
  • sonnichs
  • · Replies 2 ·
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High School Another Probability Freak
  • Hornbein
  • · Replies 2 ·
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Undergrad What Are the Axioms of Fuzzy Logic and How Do They Extend Boolean Algebra?
  • lpetrich
  • · Replies 7 ·
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High School How to calculate this conditional probability?
  • Tony Hau
  • · Replies 7 ·
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High School A Little Probability Puzzle
  • bob012345
  • · Replies 20 ·
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High School Death Rally: an intricate probability problem?
  • FranzS
  • · Replies 8 ·
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Undergrad Need help solving this Existence Algorithm for truth
  • ollieha
  • · Replies 1 ·
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Graduate Distribution of Range of Samples taken from N(0,1)
  • uart
  • · Replies 1 ·
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Undergrad Help me understand skewness in QQ-plots please
  • bremenfallturm
  • · Replies 1 ·
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Undergrad Stochastic calculus: Ito's lemma and differentials
  • cppIStough
  • · Replies 3 ·
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Undergrad Intransitive implication
  • nomadreid
  • · Replies 6 ·
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Graduate Does this computation satisfy LTL formulas?
  • alma359
  • · Replies 3 ·
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Undergrad Proof of a fact about real numbers - transcendental and algebraic
  • dextercioby
  • · Replies 7 ·
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Undergrad The reason for lambda calculus being universal
  • askingask
  • · Replies 10 ·
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Graduate Second-order arithmetic
  • Demystifier
  • · Replies 34 ·
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Graduate Mathematical Connection between Cosmic Expansion and Exponential Growth
  • ricco
  • · Replies 24 ·
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Undergrad This fact on 2-dimensional space blows my mind
  • Anixx
  • · Replies 17 ·
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Graduate Prove that points which are indistinguishable from 0 exist (using logic)
  • Mike_bb
  • · Replies 17 ·
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Graduate Cannot understand this corollary on surreal numbers
  • Anixx
  • · Replies 0 ·
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High School Probability a randomly chosen natural number, which is not smaller than 𝑥, is greater than x?
  • littlemathquark
  • · Replies 15 ·
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Undergrad Can Ockham’s razor be used to make quick qualitative predictions?
  • yeet991only
  • · Replies 23 ·
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High School Is this a finite argument of the countable infiniteness of the rationals?
  • mcastillo356
  • · Replies 21 ·
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High School Probability of future event as predicted by laws of nature
  • shivakumar
  • · Replies 5 ·
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Graduate Calculation of probabilities assuming correlation between events
  • Bob Anger
  • · Replies 9 ·
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Undergrad Calculating the odds of drawing 3 "no" notes from a hat with 3 "no" and 3 "yes" notes
  • Forwardbite1
  • · Replies 3 ·
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Undergrad Can you calculate the probability of a complex logic expression?
  • yeet991only
  • · Replies 3 ·
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Undergrad Measurement for uncertainty in nonlinear model
  • liquidFuzz
  • · Replies 4 ·
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Undergrad Syntactic vs semantic logical consequence (entailment)
  • cianfa72
  • · Replies 5 ·
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High School "Half of normal distribution"
  • zasvitim
  • · Replies 9 ·
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Undergrad What is the Definition of a Sequence in Formal Language Theory?
  • qqGlebqq
  • · Replies 4 ·
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Undergrad On the meaning of logical implication within specific context/models
  • cianfa72
  • · Replies 22 ·
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Undergrad What is the probability that the product of the digits is odd?
  • littlemathquark
  • · Replies 13 ·
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Undergrad Use probability without sample space?
  • yeet991only
  • · Replies 7 ·
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Undergrad Modus Ponens deduction rule
  • cianfa72
  • · Replies 12 ·
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Undergrad The normalizing constant in a gamma distribution
  • Trollfaz
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Undergrad Is there a "smallest" infinite subset of the naturals?
  • jordi
  • · Replies 24 ·
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High School Is the Coin Biased Towards Heads? Statistical Test and Conclusion
  • Agent Smith
  • · Replies 21 ·
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Undergrad Countability of binary Strings
  • Mr X
  • · Replies 18 ·
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Undergrad The set of nonzero values of pmf is at most countable
  • psie
  • · Replies 3 ·
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High School Variance & Standard Deviation
  • Agent Smith
  • · Replies 42 ·
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Likelihood Ratio Test for Common Variance from Two Normal Distribution Samples
  • Ackbach
  • · Replies 1 ·
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High School Choosing an appropriate hypothesis
  • Agent Smith
  • · Replies 72 ·
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Undergrad Calculating Statistical Likelihood Knowing Standard Deviations
  • TomVassos
  • · Replies 17 ·
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High School Chi square test (two-sided vs. one-sided)
  • Agent Smith
  • · Replies 23 ·
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High School How Can We Compare Two Means to Test the Effectiveness of Diet A on Weight Loss?
  • Agent Smith
  • · Replies 20 ·
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High School Comparing Z Scores on Two Different Tests
  • Agent Smith
  • · Replies 27 ·
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High School Testing Hypothesis (vaccine)
  • Agent Smith
  • · Replies 7 ·
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High School Accident Probabilities: Bicycles vs. Cars vs. Trucks
  • Agent Smith
  • · Replies 11 ·
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Graduate How to motivate ‘unless’ = ‘if not’, with etymology?
  • scherz0
  • · Replies 7 ·
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Undergrad Ways to put n balls in m boxes such that exactly k boxes are empty?
  • Bata
  • · Replies 29 ·
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High School Probability of arranging identical objects
  • MeesaWorldWide
  • · Replies 3 ·
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Undergrad Why does normal distribution turn into t distribution when variance is unknown?
  • Happiness
  • · Replies 5 ·
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High School Central Limit Theorem: How does sample size affect the sampling distribution?
  • Agent Smith
  • · Replies 31 ·
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High School Understanding the Interpretation of Z-Scores: Insights and Examples
  • bhargavsws
  • · Replies 11 ·
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High School Public Opinion Polling for the USA's Election
  • Hornbein
  • · Replies 15 ·
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Undergrad Why do gamblers go broke even when the odds favour them at every step?
  • Happiness
  • · Replies 7 ·
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High School Concerning the birthday problem in probability
  • red65
  • · Replies 12 ·
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High School Statistical Hypothesis Testing
  • Agent Smith
  • · Replies 5 ·
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High School Probability that 2 distinct integers are divisible by the same number
  • nomadreid
  • · Replies 9 ·
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High School Test of statistical significance
  • Agent Smith
  • · Replies 27 ·
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Undergrad What is the Margin of Error in Polls and How is it Calculated?
  • Vanadium 50
  • · Replies 72 ·
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High School Chi-Square Tests for Homogeneity & Association
  • Agent Smith
  • · Replies 7 ·
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