Відео

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00:00 Introduction 00:12 A quick revision of complement, union and intersection 02:43 The problem at hand - (A U B)' 03:50 Intuition for why A' and B' show up 05:19 Proving (A U B)' equal to A' intersection B'

Your explanation is simple and clear But please try to take pauses while explaining the concept You are definitely going to grow more Wish you luck

Useful timestamps to skip ahead, 00:00 Why bother about intervals? 01:43 Definition of Intervals 02:55 Plotting intervals in a number line 03:30 Example [2, 5] 05:10 Is singleton an interval? 07:03 Are null sets intervals? 08:32 Other types of intervals... 11:04 Types of intervals (Terminologies) 12:18 A few other notations to represent intervals 13:03 An idea of infinity (aside) 14:19 Example - representing all reals less than -2 15:00 R as an interval

00:00 Introduction 00:34 Power Set of the Given Set 07:23 Complement of a set and Negation of a statement 12:13 Operations on Sets

00:00 Introduction 00:35 Operations on Sets/Algebra of Sets 02:54 Definition of 'Union' of any two sets 04:28 Another Example of Union of two Sets 05:15 Intersection of Sets 07:12 Another Example of Intersecting Sets 10:40 Disjoint Sets 11:03 'Null Set', 'Empty Set' 13:06 Operation of Subtraction in Sets 16:37 Going back to Union and Intersection as Venn Diagram 18:00 What is Complement? 20:45 Operation of 'Division' on Sets- Is it possible? 21:30 Product of two sets A and B 23:20 How many elements in A X B? 25:29 Example - symbol for Irrational Numbers explained 27:34 Another example of set difference

00:00 Roster form 01:04 Set builder form 02:45 Example 1 Natural Numbers 04:22 Example 2 Squares of Integers 06:53 Example 3 Describing a set with a Quadratic 09:12 Example 4 Set description with a Compound Statement 11:04 Example 5 Spotting patterns in Roster form 14:12 Example 6 Set with elements whose cubes are odd 17:36 ASIDE: Proof for n is odd iff n^3 is odd 18:42 Coming back to our set 20:03 The Russell's Paradox

00:00 FInding the complement of a set 01:50 Equality of 2 sets 04:55 Analysing reciprocals of natural numbers 08:51 Gateway to intervals

Useful Timestamps, feel free to skip ahead and learn... 00:00 Introduction 00:30 Meaning of the word 'naive' 01:18 Naive definition of sets 5:07 Some new symbols 08:30 Set Notations introduced 9:27 Concept of Equality in Sets 10:56 Examples of Equal Sets 11:54 What are subsets? 13:33 Symbols used to represent subsets, proper and improper subsets 16:30 Some more examples of subsets 18:22 Venn Diagram 21:33 Power sets idea, incomplete 27:16 Notion of nothingness

Hope you all can spot the blunder at 6:23, 9:50 and 11:25. I say the correct thing, yet write something incorrect... I also refer to these erroneous representations later in the lecture without acknowledging it!

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ı working my chemistry exam but IDK I watching this video ...{I m turk}

very helpful for students

very good explanation

good explanation

Sorry ma'am what pen do you use for teaching i really love that

Wow 25 saal mai pahali bar kuch samaj mai aya ma'am app pahale mile hote to mai ias ban jata ab tak ❤❤❤❤

Ma'am, can't we conclude they are composites even before multiplying out and adding numbers inside the parenthesis?

You

Thank

Thanks mam😍🤔🤪

Mam please clear me abt _ is angles on the same sides of transversal are always supplementary? Plz ma'am

So nice mam

Find ten rational number less than _3by 5

MaM how 3 by 2

Thank you

Thanks

Good