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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High School ##A \subset B \iff \exists x \in B \land x \not\in A##?
- yucheng
- · Replies 15 ·
High School Inverse Transformation from Response Surface
- Omega0
- · Replies 1 ·
High School How to prove the associative law of symmetric difference?
- cleaf
- · Replies 2 ·
Graduate Curse of dimensionality - what is it that grows?
- schniefen
- · Replies 12 ·
Undergrad What are the statistics of probability of dying today vs age?
- iVenky
- · Replies 20 ·
Find Proofs for the following 5 propositional logic statements
- josephmary
- · Replies 2 ·
Basic Inequality Prove: $A\leq B\wedge B\leq A \Rightarrow A=B$
- solakis1
- · Replies 2 ·
Undergrad Blinder–Oaxaca decomposition confusion
- vandanak
- · Replies 2 ·
Find total number of republications
- evinda
- · Replies 22 ·
Help with Converting Sentences to FOL
- hanzla
- · Replies 8 ·
Relationship between hypothesis 1 and 2 in rules of inference
- Eluki
- · Replies 3 ·
How Do We Find the Logical Negation of Statements?
- mathmari
- · Replies 6 ·
Prove that the statement is always true using the rules of boolean algebra
- mathmari
- · Replies 9 ·
Undergrad A claim in measure theory which seems flawed to me
- MathematicalPhysicist
- · Replies 15 ·
Undergrad Why Not P(A)*(1-P(A)) for Probability?
- nomadreid
- · Replies 5 ·
Can We Prove the Inductive Set Contains Only Natural Numbers?
- mathmari
- · Replies 10 ·
High School Understanding Modus Tollens: Deductive Reasoning with an Example
- albinoblanke
- · Replies 4 ·
Undergrad Sampling bias in estimating gene mutation proportion
- schniefen
- · Replies 2 ·
COVID-19 in a Small Town: Probability of Infection
- laprec
- · Replies 1 ·
Solving the Fractional Knapsack Problem - Wave and Thinking
- evinda
- · Replies 1 ·
Undergrad What would the pdf look like for 'N' chess computers with the same rating
- iVenky
- · Replies 16 ·
Master Theorem-Relation of the two functions
- evinda
- · Replies 2 ·
Graduate Good Examples of Causation does not Imply Correlation
- WWGD
- · Replies 58 ·
High School Introduction to logic - website?
- entropy1
- · Replies 2 ·
High School Probability of n events over a time period
- MrOd67
- · Replies 2 ·
De Morgan Rules - Logical statements
- mathmari
- · Replies 11 ·
Draw a NAND-gate to get that output
- mathmari
- · Replies 16 ·
Compose Functions: True/False?
- lemonthree
- · Replies 1 ·
Which properties of S imply S∘S=S?
- lemonthree
- · Replies 7 ·
Conditional expectation of a function given x≥Q for exponential distribution
- user_01
- · Replies 2 ·
Translate the statements into set inclusion
- mathmari
- · Replies 5 ·
Log likelihood and Maximum likelihood
- cajswn
- · Replies 1 ·
Which statements define an onto function correctly
- lemonthree
- · Replies 6 ·
Graduate Frequency estimation - Minimising the number of samples
- f95toli
- · Replies 12 ·
How many reflexive relations on set A with 4 elements?
- lemonthree
- · Replies 3 ·
Undergrad Why replace epsilon with epsilon over supremum sum in supremum proof
- CGandC
- · Replies 5 ·
Undergrad Quine's New Foundations and the concept of a Universal Set
- madness
- · Replies 6 ·
How Do You Calculate a Z Score for Toothpaste Effectiveness Testing?
- altitus
- · Replies 1 ·
How Many Elements Are Found in Each Mathematical Set?
- lemonthree
- · Replies 5 ·
Undergrad Is There a Simpler Way to Calculate the Probability of a Needle Crossing a Line?
- LCSphysicist
- · Replies 3 ·
High School Why is the significance level 50% for the efficient market hypothesis test?
- physicslady123
- · Replies 5 ·
Undergrad Distributivity/Inheritance of Max Likelihood Estimators
- WWGD
- · Replies 19 ·
Word problem for winning percentage
- Achi_kun
- · Replies 1 ·
Undergrad Principal Component Analysis with dependent variable?
- HAYAO
- · Replies 3 ·
Undergrad Two vectors and two perpendicular lines
- LCDF
- · Replies 20 ·
Combinations / Sets of objects
- arno100
- · Replies 1 ·
Undergrad Probability that two points are on opposite sides of a line
- LCDF
- · Replies 11 ·
Undergrad How to Get Final Fisher Matrix from 2 Matrices
- fab13
- · Replies 11 ·
High School Solving a RNG Problem: What is the Expected Value of N?
- {???}
- · Replies 2 ·
Undergrad Failure rate for a uniformly distributed variable
- Mark J.
- · Replies 3 ·
Summation and product notation rules
- lemonthree
- · Replies 1 ·
Undergrad Tell me how scientific journals scrutinize statistical work
- phoenix95
- · Replies 3 ·
Undergrad Radon-Nikodym Derivative and Bayes' Theorem
- Jatex
- · Replies 1 ·
Graduate Dense set vs no isolating points
- SchroedingersLion
- · Replies 3 ·
Finding per square foot land value with zoning percentages
- jmathdisinclined
- · Replies 3 ·
High School If P(B|A)=1, does P(A|B)=1?
- entropy1
- · Replies 34 ·
Undergrad Cardinality of Unions of Powersets
- Xavier Labouze
- · Replies 21 ·
What is the final pressure of helium and neon gas mixture in this case?
- WMDhamnekar
- · Replies 1 ·
High School Different sample methods in statistics
- i_love_science
- · Replies 5 ·
Undergrad Direction of logical implication in bijectively related sets
- entropy1
- · Replies 5 ·
Undergrad Expected value of a variable and its reciprocal
- jeremy22511
- · Replies 19 ·
High School Are proofs needed for definitions? Conditional probabilities
- jeremy22511
- · Replies 4 ·
Undergrad Proving Probability of Union with Indicator Variables in Three Events
- Brooklyn
- · Replies 4 ·
High School Difference between if-then and if and only if
- inthenickoftime
- · Replies 2 ·
Understanding Positive Asymmetry in Price Distribution
- evinda
- · Replies 1 ·
Relative Variance: Calories vs Sugar
- evinda
- · Replies 1 ·
Undergrad Linear regression with error term
- Kyouran
- · Replies 8 ·
Undergrad Understanding different Monte Carlo approximation notations
- schniefen
- · Replies 7 ·
Finding remainder for one dollar bills in change
- moodtl32
- · Replies 1 ·
Undergrad Conditional distribution of geometric series
- user158675
- · Replies 1 ·
Can Predicate Properties Be Neither True nor False?
- lemonthree
- · Replies 1 ·
Undergrad How do I compute the cumulative probabilites of multiple bell curves?
- k_squared
- · Replies 2 ·
Graduate Union of sets and indexed sets question from Vellerman
- CGandC
- · Replies 4 ·
Undergrad Question regarding quantifier statement
- CGandC
- · Replies 10 ·
Undergrad How do you calculate the probability without using the complement?
- tjosan
- · Replies 15 ·
Undergrad How Does Money Redistribution Affect Poverty Levels in a Simulated Economy?
- kairama15
- · Replies 28 ·
Sequence of b_{k} with Explicit Formula: Proving by Math Induction
- hkhgg
- · Replies 2 ·
High School What does it mean that G is only a function of certain variables?
- Stephen Tashi
- · Replies 3 ·
High School Diagonal argument and repeating sequences in rational listings
- Warp
- · Replies 43 ·
Undergrad Computer languages as examples in formal logic
- Stephen Tashi
- · Replies 40 ·
Graduate Feature Selection, Information Gain and Information Entropy
- WWGD
- · Replies 5 ·
Undergrad How to prove the Cauchy distribution has no moments?
- Neothilic
- · Replies 5 ·
Undergrad How to find the moments using the characteristic function?
- Neothilic
- · Replies 5 ·
Undergrad Does the definition of cardinality assume distinguishability?
- Stephen Tashi
- · Replies 9 ·
High School One thing I don't understand about Cantor's diagonal argument
- Warp
- · Replies 55 ·
Undergrad An Alternative Variance Formula
- mathman
- · Replies 5 ·
Undergrad Are there unprovable theorems with unprovable unprovability?
- Gjmdp
- · Replies 37 ·
Graduate The meaningfulness item on math probability
- boby
- · Replies 14 ·
High School A given integer can be written in how many different ways?
- kent davidge
- · Replies 11 ·
Graduate Can this be rearranged to solve?
- jeff91
- · Replies 5 ·
Undergrad Looking for a formula (how many possible connections between 2 sets of objects?)
- Steven Ellet
- · Replies 14 ·
High School Why use 16 instead of 17 in hypothesis testing rejection region
- girlwhoneedsmathhelp
- · Replies 2 ·
Undergrad Limit inf < Limit superior(proof)
- EinsteinKreuz
- · Replies 5 ·
High School Choosing the number of trials when the data stream is unlimited
- Roger Dodger
- · Replies 24 ·
High School Dice calculation of p(7), two different values?
- bahamagreen
- · Replies 32 ·
Attempting to add logic mathematics to a college paper - need your input
- Furthark
- · Replies 2 ·
Mosteller lectures - available online?
- Stephen Tashi
- · Replies 1 ·
Graduate Optimal strategy for repeated coin toss game - with possible bias
- The Investor
- · Replies 20 ·
Integer solutions to (2n-1)/(n+7) and modular exponentiation
- mathmari
- · Replies 4 ·
What is the Pigeonhole Principle Problem in the African Rally?
- Carl1
- · Replies 2 ·