Further, XOR is an exclusive OR. In boolean logic, this means that the two value... | Hacker News

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_RPM on May 27, 2016 | parent | context | favorite | on: W^X now mandatory in OpenBSD

Further, XOR is an exclusive OR. In boolean logic, this means that the two values MUST be different. So 0 ^ 0 would 0, and 1 ^ 1 would also be 0. However, 1 ^ 0 would be 1.

jameshart on May 28, 2016 | [–]

Good point. It should probably be NAND: ~(W&X). Assuming that R is also a valid option, at least.

PeCaN on May 27, 2016 | [–]

> XOR

> eXclusive OR

Who would've thought.

_RPM on May 27, 2016 | [–]

I was just trying to illustrate for the people that read HN that don't have CS backgrounds. Didn't mean to patronize you.

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