Demorgan's Law Proof

If you take courses involving set theory you will see this - you will need this - all hail Demorgan and the Laws. Kidding, but this is a nice theorem and a good intro set theory proof. Enjoy!

#demorgans

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[BriTheMathGuy]

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[DB-nlxw]

This is amazing. Simple English for math graduate courses. Please do topology explaining.

[shiblyhossain]

Couldn't thank you enough, sir....

[Shivangvinci]

keep it up you will definitely grow because something is better than nothing

[roberttoltowicz]

Thanks. Can you provide a brief explanation of subset vs proper subset and the notation used for each?

[i.arcturus]

thanks for this it's super helpful!

[kkqum]

But doesnt the union sign mean OR operation? Why did you write AND operation over there?

[mikelanichivende]

❤❤ you're the best teacher on earth

[pranayblue]

I came across this, and had to watch a video

[Cat_Sterling]

But how did you go from "x € A' and x € B' " to " x € A' /\ B' "? Shouldn't we use "or" in order to get an intersection?

[Shivangvinci]

good video with great explanation insane !!!

[gowtime]

Great video, I wish you could prove the other law (A intersection B)' = A' union B'

This one is trickier for me and is hard to grasp...

[sreejaGhosh-bx]

There is and and there is also intersection, how this can be correct?

[szshyng]

This guy sounds so familiar... Khan Academy?

[pro_]

Please why is it "and" and not "or in the second step?