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Discrete Math Proofs in 22 Minutes (5 Types, 9 Examples)
We look at direct proofs, proof by cases, proof by contraposition, proof by contradiction, and mathematical induction, all within 22 ...
2:38
A simple direct proof example on the sum of the first n natural numbers (starting from 1).
3:38
Proof by Contrapositive | Method & First Example
Learning objective: prove an implication by showing the contrapositive is true. This video is part of a Discrete Math course taught ...
7:32
Proof by Mathematical Induction - How to do a Mathematical Induction Proof ( Example 1 )
In this tutorial I show how to do a proof by mathematical induction. Join this channel to get access to perks: ...
9:00
Proof by Contradiction | Method & First Example
Proof by Contradiction is one of the most important proof methods. It is an indirect proof technique that works like this: You want to ...
2:56
Writing Proofs | Direct Proof Example
We prove a statement using the method of direct proof.
5:38
Discrete math proofs practice ▻Videos on Proof Strategies: 1) Proof if n^2 is even then n is even: https://youtu.be/ms-dC6i5oMo 2) ...
3:59
... this example we're going to try to prove that if n is even then 3 n + 5 is odd. So it's important to start these proofs understanding ...
4:41
Note that this proof still works even if X and Y are the empty set.
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Inductive Proof Example 2 - Sum of (2j-1)
In this video, we prove by induction that the sum from 1 to n of (2j-1) is equal to n^2.
6:42
Combinatorial Proof Example (Lecture 13)
Small edit: in the "Story" portion of your combinatorial proof, make sure you explicitly mention the counting/grouping. So in this ...
13:09
Induction Inequality Proof Example 1: Σ(k = 1 to n) 1/k² ≤ 2 - 1/n
Induction proofs involving sigma notation look intimidating, but they are no more difficult than any of the other proofs that we've ...
10:03
This video screencast was created with Doceri on an iPad. Doceri is free in the iTunes app store. Learn more at ...
10:08
Proof by Mathematical Induction - How to do a Mathematical Induction Proof ( Example 2 )
In this tutorial I show how to do a proof by mathematical induction. Join this channel to get access to perks: ...
3:37
Natural Deduction Proof Example | Step-by-Step in 3 Minutes
A short, 3-minute visual walkthrough of a natural deduction proof using core inference rules: simplification, conjunction, disjunctive ...
5:38
Boolean Proof Example 7: Using Contradictory Premises and Conditionalization
FREGE: A Logic Course Elaine Rich, Alan Cline
An example of a Boolean logic proof that exploits two important inference rules: Conditionalization and Contradictory Premises.
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