> "Flip" is a human word, it's not a mathematical definition. Why not both? https://en.wikipedia.org/wiki/Flip_(mathematics) https://en.wikipedia.org/wiki/Flip

> "Flip" is a human word, it's not a mathematical definition. Why not both? https://en.wikipedia.org/wiki/Flip_(mathematics) https://en.wikipedia.org/wiki/Flip_(mathematics)