Discrete Math 2-Tutorial 12-Inclusion/Exclusion Principle

The very first look at Inclusion and Exclusion principle.
This video demonstrates why we need the principle.

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[lamalamalex]

Thank you! You have no idea, how hard it was trying to see the pattern at first, but now I see it! You're awesome!

[Hoabinhtrenthegioi]

Thanks for your detail demonstration of the first treatment of a wonderful Discrete Math principle.

[satwikmishra]

This was extremely helpful.
Thank you, you're doing an amazing job.

[amizan]

perfectly explained, thank you for posting!

[Fauxann]

Thanks, this really helped me visualize what I was doing. Especially that C(4, 2) and C(4, 3) was the number of items from each; I kept forgetting to think about AnD and BnC.

[mostafa]

omg finally I got it, dude you're amazing

[Naster]

Thx a lot! It was very useful!
Greetings from Spain!

[kyleparas]

excellent description, although i do not see why the four set diagram is wrong?  I can point out to myself all the intersections that were listed...

[coursehack]

@TheCoolman5500 you're welcome :) again... if u need anymore clarification; just comment and i'll clarify. Just the question was a bit long to answer in a comment.]

Good Luck :)

[coursehack]

@SongBirdJesusFreak because... wait before i answer... did u ever do sets before? if u know how they work... i doubt ull be asking this question. - im not bein rude or anythin; just curious... is all.

[TheCoolman]

Of 30 personal computers (PCs) owned by faculty members in a
certain university department, 20 run Windows, eight have 21 inch monitors, 25
have CD-ROM drives, 20 have at least two of these features, and six have all three.
(a) How many PCs have at least one of these features?
(b) How many have none of these features?
(c) How many have exactly one feature?

[shareandfeel]

Dear,
Can you please how are you writing this on PC with so good precision?
Actually I am writing a book and when it comes to draw a diagram then it takes a lot of time to draw it on Paint or any other software.
Plz help.

[amadddd]

Discrete Math test tomorrow. This isnt a bad way to study

[TheCoolman]

@TheCoolman5500 please can you answer this

[coursehack]

@TheCoolman5500 since there isnt enuff space for me to answer... here's a link that might help you out... if there's something u dont understand, please let me know... i'll be glad to help

w w w .

[sangera]

to author: please notice that the diagram for four sets in NOT CORRECT (counting exterior region, it has only 14 faces whereas the correct Venn diagram for four sets should have 16 faces)

[RatneshEVAREEMA]

concept matters not the diagram..  Excellent description using patterns... Thanks