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Riffing off https://github.com/frex-project/idris-frex/pull/12#commitcomment-52629519
This is what I came up with with a very basic `Semigroup` & `Monoid` example rather than
the bigger one involv…
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There is also this inconsistency in the output of the following two functions. In language, they say the same thing, but they are not mathematically equal (according to the current implementation):
…
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- Cunningham prime table lacks a `Feature` (see also #30819)
- `rings/factorint.pyx` would better be `arith/factorint.pyx`
- Cunningham is not an option in `Integer.factor`
CC: @slel
Component: *…
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#2005 adds notions of invertibility for rings. It also defines the group of units of a ring. This should allow us to define $\mathrm{GL}_n(R)$ over an arbitrary ring.
I'm not sure what else we can …
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I understand that this has been discussed before, but I can't access most of the old conversations and think I have a new perspective.
You can write proofs of false without using `axiom` or `admit`…
oskgo updated
3 years ago
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I use the following Markdown extensions in vscode:
- *Markdown Preview Github Styling*
- *Markdown All in One*
- *Markdown Checkboxes*
- *Markdown Emoji*
- *Markdown Footnotes*
- *Markdown yam…
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`gcd( factor(10), factor(15) )` works fine but `gcd( [factor(10), factor(15)] )` returns an error:
```
TypeError: 'int' object is not iterable
```
A similar issue is with `lcm` function, although …
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Disclaimer: I am a coq noob
Edit: resolved by using a global opam switch
As stated in the [.tex sources](https://github.com/achlipala/frap/blob/master/frap_book.tex#L87) I used coq `8.16.0` (I …
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Currently the `WeylGroup` and `WeylCharacterRing` do not work for the boundary case A0 (i.e., representation theory of the circle group). The fix is quite simple.
CC: @tscrim
Component: **combina…