Proof that { {x}, {x, y} } = { {a}, {a, b} } if and only if x = a and y = b

In this exercise we will proof that { {x}, {x, y} } and { {a}, {a, b} } are only equivalent if and only if x = a and y = b.

⏰ Timeline 00:00 Exercise 00:25 First implication 02:55 Second implication 03:46 Conclusion

🔢 Statement to proof { {x}, {x, y} } = { {a}, {a, b} } ⇔ x = a and y = b

📜 All Discrete Mathematics Exercises https://www.youtube.com/playlist?list=PLY9Po-aXYcD6LdOzLeBhcHIShPwCQNeSD

📜 All Linear Algebra Exercises https://www.youtube.com/playlist?list=PLY9Po-aXYcD5BnL_9CcYy421JLvwn9XHH

🎵 Music Reverie by Nomyn https://soundcloud.com/nomyn Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: http://bit.ly/2RM3qu4 Music promoted by Audio Library https://youtu.be/LRNX-lgE8mo ... https://www.youtube.com/watch?v=MJ98OdAJoIY