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 How do I denote the largest member of a set?
- bomba923
- · Replies 5 ·
Graduate Integration to d density function
- benoardo
- · Replies 5 ·
Graduate What Intervals [a,b] Exhibit Both Open and Closed Properties in the Rationals?
- Ed Quanta
- · Replies 10 ·
Undergrad What is the minimum number of students for a likely win in a birthday bet?
- babtridge
- · Replies 2 ·
Graduate Understanding Relations in Mathematics
- liahow
- · Replies 5 ·
High School Which Cup Will Be Hottest After 15 Minutes?
- liz
- · Replies 2 ·
Graduate Are P and Q equal for Pythagorean triples and parametric 3-tuples?
- honestrosewater
- · Replies 3 ·
Graduate Sme question about irrational numbers
- Tann
- · Replies 75 ·
Undergrad Why is Dedekind's Cut Used to Define Irrational Numbers?
- Tann
- · Replies 6 ·
Graduate Primitive recursive functions :mad:
- novawildcat
- · Replies 1 ·
Undergrad Upper Bound for IQ Scores Exceeding 130 Using Chebychev's Inequality
- crazedbeat
- · Replies 9 ·
High School Which Is the Correct Half-Life Formula?
- huan.conchito
- · Replies 1 ·
Graduate Combinatorics: How Many Vectors with Square Sum = K?
- Palindrom
- · Replies 2 ·
Graduate Show that the set of points on a line is equinumerous
- gravenewworld
- · Replies 12 ·
Graduate How Do Arrows Function as Elements in Category Theory?
- phoenixthoth
- · Replies 15 ·
Undergrad Calculating Probability of Pregnancy In Vitro
- Brow
- · Replies 1 ·
Graduate Why Is the Area Calculation of a Triangle Using Given Algorithms Unstable?
- MtX
- · Replies 1 ·
Undergrad Can you prove that this set is countable?
- Nylex
- · Replies 7 ·
Graduate When Did Set Theory Become the Dominant Framework in Mathematics?
- aha!
- · Replies 1 ·
Undergrad Calculating Expected Value for Sweepstakes Prizes
- layzieb81
- · Replies 2 ·
Undergrad Calculating Probability of Golf Ball Landing Near Hole on 4th Hole
- woodworker101
- · Replies 5 ·
Graduate Calculating Probability of Markov Chain State in Discrete Time
- Zaare
- · Replies 1 ·
Undergrad Average number of moves in a snakes and ladders game
- Crumbles
- · Replies 6 ·
Undergrad Finding mean and standard deviation of Y=4X+1 from Poisson distribution
- Mo
- · Replies 2 ·
Undergrad What is an elt as it applies to a Hasse diagram?
- BicycleTree
- · Replies 2 ·
Undergrad What is the Probability of Someone Replicating Your Actions in a Day?
- Prague
- · Replies 4 ·
Graduate Identifying distributions in time series
- fastier
- · Replies 1 ·
Undergrad Its deciding which Stats method to use that the problem
- Prester John
- · Replies 6 ·
Undergrad One of those hand shaking problems
- ashi_mashi
- · Replies 1 ·
Graduate Solve SAT Math & Listening Tests: 90% Confidence Interval
- PrudensOptimus
- · Replies 2 ·
Undergrad How Many 3-Letter Arrangements of aabbcccdddd Are Possible?
- ashi_mashi
- · Replies 6 ·
Undergrad How is a torus described in topology?
- waht
- · Replies 1 ·
Undergrad Learning statisticts and probability
- slug
- · Replies 3 ·
Graduate How do you prove (0,1) and (0,1] have equal cardinality?
- Zurtex
- · Replies 11 ·
Graduate Substituting a closed term for a constant preserves truth value
- gravenewworld
- · Replies 4 ·
Undergrad Using summation with probability question
- spikemurphy
- · Replies 5 ·
Graduate How can I prove [(A^B)-(B^C)]-(A^C)'=0 using contradiction?
- mathrocks
- · Replies 3 ·
Undergrad Probability of 0 to 6 students in category with 8% base rate
- dranger35
- · Replies 8 ·
High School What are the odds of rolling two threes twice with two dice?
- Uno Lee
- · Replies 13 ·
Graduate Why is a 0-ary function identified with an element of Y?
- honestrosewater
- · Replies 9 ·
Undergrad Partitioning n distinct objects into k equal sets
- uart
- · Replies 3 ·
High School Can You Assume the Converse in Mathematical Proofs?
- Kamataat
- · Replies 4 ·
Undergrad Finding distributions for balls in urns, dice throws, and battery durations
- JohanL
- · Replies 3 ·
Undergrad How can I prove that 34n+2 + 26n+3 is divisible by 17 using induction?
- devious_
- · Replies 7 ·
Graduate Fourier analysis and prob. distributions?
- Zaphodx57x
- · Replies 5 ·
Undergrad Probability each player gets an ace in 52-card deal
- tc
- · Replies 1 ·
Graduate Poisson Approximation to Binomial
- Victor Frankenstein
- · Replies 2 ·
Undergrad Is a Spearman's Coefficient of 1 Indicative of a Linear Relationship?
- richnfg
- · Replies 2 ·
Graduate Is It Ever Necessary to Assign Multiple Letters to a Single Sentence?
- honestrosewater
- · Replies 13 ·
Graduate Open statement separating set T from set F using only basic operators
- MtX
- · Replies 4 ·
Undergrad Why is Pascal's triangle a powerful tool in solving mathematical problems?
- bomba923
- · Replies 4 ·
High School Proving (C → A) ∧ (¬C → B) is equivalent to (A ∧ C) ∨ (¬C ∧ B)
- flying2000
- · Replies 4 ·
Undergrad Does the pair of alphas for the integer set symbol exist in MathType?
- bomba923
- · Replies 3 ·
Undergrad Probability and Geometry
- philosophking
- · Replies 17 ·
Graduate What is P(B) given conditional probabilities and the complement of A?
- buddingscientist
- · Replies 5 ·
Graduate Understanding Uncountable Well-Ordered Sets: An Intuitive Explanation
- zefram_c
- · Replies 3 ·
Graduate Tableau Proof for All x P(x) V Q(x) $\supset$ Exists y P(y) V Exists z Q(z)
- gnome
- · Replies 2 ·
High School Calculating n!(N-n)!: N = 16, n = 3
- mouse
- · Replies 3 ·
High School FINANCIAL MATH: Question on Compounding Interest Semi-annually
- nicole
- · Replies 2 ·
Graduate Line of real numbers-transcendental numbers
- C0nfused
- · Replies 11 ·
Undergrad Calculating the Probability of a Shared Birthday among n People
- buddingscientist
- · Replies 3 ·
Graduate Characteristic function of an exponential distribution
- Zaare
- · Replies 1 ·
Graduate What is the loop invariant for proving the LCM algorithm?
- flying2000
- · Replies 7 ·
Graduate Characteristic function (Probability)
- Zaare
- · Replies 9 ·
Graduate What is the role of definitions in an axiomatic theory?
- C0nfused
- · Replies 9 ·
Undergrad Unknown in discrete variable problem
- buddingscientist
- · Replies 3 ·
Undergrad Calculating the Expected Number of People Arriving at a Restaurant in an Hour
- jetoso
- · Replies 6 ·
High School Finding students wearing hats but not scarves
- the4thcafeavenue
- · Replies 2 ·
Graduate Understanding how Strong Induction works
- honestrosewater
- · Replies 19 ·
Graduate Good books for logic, proofs course?
- mathwonk
- · Replies 8 ·
Undergrad Learning Probability: Solving a Density Function Problem
- Niels
- · Replies 2 ·
Graduate Proof that, (1/0 = 1/0) is false.
- Owen Holden
- · Replies 81 ·
Graduate When does a set of unique identifiers have a greatest element?
- gnome
- · Replies 9 ·
Undergrad Proving the Summation Formula for 1/(n(n+1)) Using Mathematical Induction
- knowledgeSeeker
- · Replies 3 ·
Undergrad How do you compute statistical tables like the standard normal and chi square CDFs?
- Hurkyl
- · Replies 3 ·
Undergrad Master Propositional Logic Deductions: How to Infer R -> S with Q and R Premises
- honestrosewater
- · Replies 8 ·
Graduate Who has actually read Godel's theorems?
- gravenewworld
- · Replies 35 ·
Graduate Negating a Math Equation: ( \exists x ) ( \forall y ) \Phi (x,y )
- gnome
- · Replies 3 ·
Resolving Disagreements to Open-Minded Communication and Growth
- cepheid
- · Replies 0 ·
Undergrad Solve Stats Prob: Colgate Total US Market Results
- mouse
- · Replies 3 ·
Undergrad Total combinations for 49 choose 6 lottery
- Physics is Phun
- · Replies 10 ·
Undergrad Find a where a divides both 11x+3 and 55x+52
- boiseneon
- · Replies 3 ·
Graduate Collecting different rules for Natural Deduction
- honestrosewater
- · Replies 3 ·
Undergrad Proving: n^2 % 3 = 0 Implies n % 3 = 0
- Dr-NiKoN
- · Replies 8 ·
Undergrad Arbitrary function is true when n = 1
- danne89
- · Replies 9 ·
Graduate Countably infinite sigma-algebra
- Zaare
- · Replies 1 ·
High School Steps on how to simplify log5/log125 to 1/3
- Gughanath
- · Replies 11 ·
Graduate How Do Weights and Degrees Influence the Structure of Logical Formulas?
- honestrosewater
- · Replies 6 ·
Graduate Is the Russell Class a Member of Itself?
- Bartholomew
- · Replies 15 ·
Undergrad Amazingly simple probability question
- msmith12
- · Replies 4 ·
Graduate There Exists a Unique Solution?
- microtopian
- · Replies 11 ·
Graduate How does modern set theory resolve Russell's paradox?
- symplectic_manifold
- · Replies 21 ·
Graduate Proving XOR Commutativity: Sufficiency of Tautology
- gnome
- · Replies 2 ·
Graduate How do you prove the law of large numbers?
- bomba923
- · Replies 1 ·
High School Are Disjoint Sets Truly Without Common Elements?
- Townsend
- · Replies 1 ·
Undergrad How is the normal distribution formula derived?
- bomba923
- · Replies 3 ·
Undergrad Question bout normal distribution:
- semidevil
- · Replies 4 ·
Undergrad Books on axioms, theorems, and proof methods
- C0nfused
- · Replies 3 ·
High School What is fuzzy logic in simple terms?
- pikapika!
- · Replies 15 ·
High School Why is the probability of heads equal to 0.5 in a fair coin toss?
- Icebreaker
- · Replies 6 ·