Preimage of Composition of Functions Set Theory Proof

[@illamenati3105]

chuckled at 1:37 because my sense of humor never developed past the 6th grade

[@TheMathSorcerer]

Lol

[@lincolninniss5781]

Thank you very much. You explained it for everyone to understand.

[@TheMathSorcerer]

👍

[@사기꾼진우야내가죽여]

It is a good video to watch before taking a topology class.

[@valdios1988]

Thank You so much 🙏🏻🙏🏻

[@nrrgrdn]

This saved my day

[@tavrion]

very helpful thank you

[@moetoyoda2706]

I wanna show this to my professor