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We can add a third category of statements to our theory packages: conservative definitions in addition to axioms and theorems. Many of our axioms could move over to the “conservative definitions” cat…
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## Move a project to coq-community ##
**Project name:** NuprlInCoq
**Initial author(s):** Vincent Rahli, Abhishek Anand, and Mark Bickford
**Current URL:** https://github.com/vrahli/NuprlInCo…
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Recently I realized that there are many concepts in category theory that they have long names, and they become even longer if one combines them, such as `isUnivalentFullSubcategory` or `isFaithful+isF…
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In theory, we can't materialize features of different keys into same online table as tables are always keyed by same key.
In the documentation, we do warn users not to materialize different keys to…
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In the current implementation, proof states are not updated after proving new conjectures!
Therefore, subsequent proof attempts are unable to take advantage of such proved conjectures.
This need…
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Reported by **maeder** and assigned to **ldiaconu**
Migrated from http://trac.informatik.uni-bremen.de:8080/hets/ticket/736
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```
hets Calculi/Space/RCCVerification.hpf
```
fails with
```
> dg…
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A result of Austin. Proven by considering linear models `x ◇ y = a * x + b * y`. Some field theory may be required to formalize the proof properly.
`InfModel.lean` is the most logical place to place…
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In basics.tex, line 1372 (proof of 2.6.4 in the book), the proof concludes with
```
Thus, it remains to show $x = (\proj1 x, \proj2x)$.
But this is the propositional uniqueness principle for …
tbrs2 updated
2 years ago
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The bare outline of a proof is sketched at https://teorth.github.io/equational_theories/blueprint/sect0004.html#sheffer , but one should refer to the paper https://www.cs.unm.edu/~mccune/papers/basax/…
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https://github.com/GavinMendelGleason/OWL/blob/master/OWL.lagda#L169-L170
> We can then verify the implementation correctness for this ontology of any reasoner which can fill these proof obligati…