this post was submitted on 18 Oct 2025

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Trick XOR Treat (lemmy.dbzer0.com)

submitted 1 year ago by wizardbeard@lemmy.dbzer0.com to c/programmer_humor@programming.dev

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Definitely a repost, but it fits the season

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[–] filthy_lint_ball@lemmy.world 1 point 1 year ago (8 children)

"(!Trick) && Treat" is probably the binding they meant

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[–] captain_aggravated@sh.itjust.works 1 point 1 year ago (7 children)

Or to simplify, Treat NOT Trick?

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[–] Lifter@discuss.tchncs.de 1 point 1 year ago (6 children)

Yes, but I saw changing the order of them as non-compliant with the meme. I could have added a parenthesis but that also felt too technical.

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[–] Lifter@discuss.tchncs.de 1 point 1 year ago (5 children)

Is there a standard order of operations for boolean logic, such as PEMDAS is for arithmetic?

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[–] captain_aggravated@sh.itjust.works 2 points 1 year ago (3 children)

That's an interesting question, and I'm gonna go learn the answer.

duckduckgo powers activate!

So yes, they do. It generally goes NOT, AND, OR. And if you're doing algebra in binary and you've got boolean operators in there (you can AND two numbers the same way you can ADD two numbers in binary) PEMDAS becomes PEMDASNAO.

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[–] Lifter@discuss.tchncs.de 1 point 1 year ago (2 children)

Nice, so my gut feeling about not needing the parenthesis above was right.

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[–] captain_aggravated@sh.itjust.works 2 points 1 year ago (1 child)

I store-brand googled it, so I feel I'm not an authority to say one way or another!

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[–] silasmariner@programming.dev 1 point 1 year ago

It's a reasonable convention that matches the common DNF (disjunctive normal form) of propositional logic, can confirm it's the right read.

I'd still probably use parentheses for the ∧ (and/conjunction), though I'd never bother with it for ¬ (negation)

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[–] Natanael@infosec.pub 1 point 1 year ago

That's language specific. In math it's mostly just a parenthesis

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