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I'm a bit of a simpleton. What's the real world problem that ZX-calculus solves?

edit: This question is genuine. There are only abstract concepts included in the video and wiki, as deep as I can see.

this video may help

Sorry, but what real world problem does a quantum circuit solve?

My interpretation of "solving a real world problem" means that it can't be infinitely abstract, and must be a relatively good solution, compared to other options. I only see, from my dumb perspective, extreme abstracts.

I'm not being combative. I just don't understand.

There's no such thing as "infinitely abstract". All abstractions eventually become real-world given enough time. It's only a question of how far ahead of the curve they are and long it takes.

> There's no such thing as "infinitely abstract".

In time, that's correct. At the moment, I disagree.

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