What is the definition of Heyting?

Alright, let's dive into the whimsical world of 'heyting'! Imagine you're at a philosophy café, and your friend, with a twinkle in their eye, says, "Heyting, my dear, is it possible for a thing to be both 'true' and 'not true' at the same time?" Now, that's a philosophical conundrum. But in the realm of logic, 'heyting' is a bit like a high-tech calculator for truth values - it's all about the binary world of true or false, but with a dash of logical nuance.

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Now, here's an edgy example sentence using 'heyting': "The heying truth of quantum entanglement defies the heyting logic of classical physics, leaving us scratching our heads in the dark." Talk about a brain teaser!