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observational equality of rationals and addition on reals #1230

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blu-bird
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@blu-bird blu-bird commented Dec 22, 2024

first contribution in a while!

  • added a new file for equality of rational numbers in analogy to integers/natural numbers, showed decidability and that equality in $$\mathbb Q$$ is a proposition
  • partially defined addition on the reals following the HoTT book (section 11.2.1), details need to be filled in

@blu-bird blu-bird changed the title observational equality of rationals observational equality of rationals and starting addition on reals Dec 22, 2024
@blu-bird blu-bird changed the title observational equality of rationals and starting addition on reals observational equality of rationals and addition on reals Dec 22, 2024
@VojtechStep
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Hi Bryan, welcome back!

details need to be filled in

Do you plan on filling in the details in this PR? If so, then this PR should be marked as a draft, so that reviewers don't review in-progress work.

@blu-bird blu-bird marked this pull request as draft December 22, 2024 18:39
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Converted to a draft! The equality on rationals is mostly done, but I'll unmark it as a draft once the definition is at least filled in.

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