I think you meant !(A&B) Anyway… I made a video called “Why Think Mathematically?” as the first in a series called “Thinking Mathematically” on a YouTube ch

I think you meant !(A&B) Anyway… I made a video called “Why Think Mathematically?” as the first in a series called “Thinking Mathematically” on a YouTube channel years ago: https://www.youtube.com/@thinkingmathematically https://www.youtube.com/@thinkingmathematically It might help to answer the question