Канал: Kailee Gray

Dive Into the World of Math with Me! 🌟

Dive Into the World of Math with Me! 🌟

Calendar App Walk Through

Calendar App Walk Through

Rails Web App -- Learn.co Assessment

Rails Web App -- Learn.co Assessment

Pro-con list manager. Ruby on Rails.

Pro-con list manager. Ruby on Rails.

Sinatra Web App - Social Pro Con

Sinatra Web App - Social Pro Con

Fargo Fitness Class Gem Walk Through

Fargo Fitness Class Gem Walk Through

AC Method

AC Method

Proof that C(2n, 2)=2*C(n,2)+n^2

Proof that C(2n, 2)=2*C(n,2)+n^2

Algebraic Proof that C(n,r)*C(r, k)=C(n, k)*C(n-r, r-k)

Algebraic Proof that C(n,r)C(r, k)=C(n, k)C(n-r, r-k)

Algebraic Proof of k*C(n,k)=nC(n-1, k-1)

Algebraic Proof of k*C(n,k)=nC(n-1, k-1)

For some positive odd integer n, n^2 is congruent to 1 mod 8

For some positive odd integer n, n^2 is congruent to 1 mod 8

For any integer n, n^2 is congruent to 0 or 1 mod 4

For any integer n, n^2 is congruent to 0 or 1 mod 4

If n divides m and a congruent to b mod m, then a congruent to b mod n

If n divides m and a congruent to b mod m, then a congruent to b mod n

Proving four statements involving parity of integers are equivalent PART 1 OF 2

Proving four statements involving parity of integers are equivalent PART 1 OF 2

Proving four statements involving parity of integers are equivalent PART 2 of 2

Proving four statements involving parity of integers are equivalent PART 2 of 2

There is a unique solution of the equation ax + b = c

There is a unique solution of the equation ax + b = c

5x + 5y is odd when x and y have opposite parity

5x + 5y is odd when x and y have opposite parity

x is rational iff x_2 is rational iff 3x-1 is rational

x is rational iff x_2 is rational iff 3x-1 is rational

m^2=n^2 iff m=n or m=-n

m^2=n^2 iff m=n or m=-n

If 3n + 2 even, then n even. proof by contradiction

If 3n + 2 even, then n even. proof by contradiction

Proof by contraposition: if 3n + 2 even, then n even

Proof by contraposition: if 3n + 2 even, then n even

Proof by contradition: if mn even, then m even or n even

Proof by contradition: if mn even, then m even or n even

If mn even, then m even or n even

If mn even, then m even or n even

If m + n, n + p are even, then m + p is even

If m + n, n + p are even, then m + p is even

Introduction to Negation, Disjunction, Conjunction Operators

Introduction to Negation, Disjunction, Conjunction Operators

Factoring ax^2+bx+c, AC Method

Factoring ax^2+bx+c, AC Method

Write gcd(119,84) as a linear combination of 119 and 84

Write gcd(119,84) as a linear combination of 119 and 84

Chinese Remainder Theorem Example

Chinese Remainder Theorem Example

Playing Chinese Remainder Theorem Game

Playing Chinese Remainder Theorem Game

Building a spreadsheet to complete the Extended Euclidean Algorithm

Building a spreadsheet to complete the Extended Euclidean Algorithm

Write gcd(123, 2347) as a linear combination of 123 and 2347

Write gcd(123, 2347) as a linear combination of 123 and 2347

Using Exteded Euclidean Algorithm to Solve A Modular Congruence

Using Exteded Euclidean Algorithm to Solve A Modular Congruence

Math 201: Sample Problems from Intro to Number Theory

Math 201: Sample Problems from Intro to Number Theory

Proofs Project Draft #8

Proofs Project Draft #8

Proof Draft Discussion - #6

Proof Draft Discussion - #6

Disproving x^3 is irrational iff x is irrational. Discussion of proposed proof.

Disproving x^3 is irrational iff x is irrational. Discussion of proposed proof.

Week 3 Video Solutions, Part 2

Week 3 Video Solutions, Part 2

Week 3 Homework Solutions, Part 1

Week 3 Homework Solutions, Part 1

More misc. exercises: nested quantifiers, introduction to sets, Venn diagrams

More misc. exercises: nested quantifiers, introduction to sets, Venn diagrams

Misc exercises: logical equivlance, predicates, quantifiers

Misc exercises: logical equivlance, predicates, quantifiers

Proving an argument is valid

Proving an argument is valid

Determining if an argument is valid

Determining if an argument is valid

Determining if Given Arguments are Valid

Determining if Given Arguments are Valid

Finding logical conclusions from given premises

Finding logical conclusions from given premises

Discussion of Nested Quantifiers on Quiz and Homework

Discussion of Nested Quantifiers on Quiz and Homework

help with week 2 annotating proof with key logical equivalences

help with week 2 annotating proof with key logical equivalences

Complement of the Union of Two Sets

Complement of the Union of Two Sets

Using Venn Diagrams to Show Set Relationships, Video 2

Using Venn Diagrams to Show Set Relationships, Video 2

Using Venn Diagrams to Give Visual Proof - Video 1 of 2

Using Venn Diagrams to Give Visual Proof - Video 1 of 2

Determining if statements involving sets are true or false

Determining if statements involving sets are true or false

Week 1 Homework: Solution and discussion of number 2

Week 1 Homework: Solution and discussion of number 2

Introduction to Predicates and Discussion of Predicates and Quantifiers

Introduction to Predicates and Discussion of Predicates and Quantifiers

Proving logical equivalence involving the biconditional

Proving logical equivalence involving the biconditional

Proving a compound proposition is a tautology part 2 of 2

Proving a compound proposition is a tautology part 2 of 2

Proving a compound proposition is a tautology part 1 of 2

Proving a compound proposition is a tautology part 1 of 2

set up for proving logical equivalence

set up for proving logical equivalence

Truth Table for Contrapositive, Homework Preview

Truth Table for Contrapositive, Homework Preview

Truth Table With IFF

Truth Table With IFF

Truth Table Example

Truth Table Example

More on conditionals, Preview of HW, Introduction to Biconditional

More on conditionals, Preview of HW, Introduction to Biconditional

Party with Conditionals

Party with Conditionals

Negation, And, Inclusive Or, Exclusive Or

Negation, And, Inclusive Or, Exclusive Or

Introduction to Logic: Propositions

Introduction to Logic: Propositions