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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [X] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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In trying to analyze this circuit, I get the "The edge list does not specify a connected graph or all inductive loops of the circuit are not specified" error. As far as I can tell, both of those thing…
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#### Description of the problem
```coq
Inductive t (A : Type) : unit -> Type := tc : A -> t A tt.
Lemma k A (H: t A tt) : True.
symmetry in H.
(* Anomaly "in retyping: Not an arity." *)
```
…
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Dear authors,
Since NLinear and DLinear only apply additional linear operations (subtract last and moving average) on top of Linear which does not include any non-linearity. We would get the same r…
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Modelchecker.DoInitFunctor does not support to preemptively terminate initial state generation.
- A violation of an invariant has been found
- A user requested TLC to stop (tlc2.tool.ModelChecker.…
lemmy updated
4 years ago
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In #191, a dialect consists of `Op`, `Ty`, *and* a monad `m`, leading to rather verbose variable/argument lists.
# Possible Solutions
## Make `Id` default
Often, when writing pure dialects, it …
bollu updated
5 months ago
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In the current version of the library, inversion on formulas is not working as expected. In some cases, for instance, `congruence` falls short of closing a goal `s = t` given the assumption `q → s = q…
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Forward based Schottky diode won't protect from inductive spike from switching an inductor. Instead it'll just hold the charge until MOSFET or diode dies. This is shown by the inductive spike from sim…
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### Proposal
I think structures should work in mutual blocks. #2587 reports an error message related to this feature, and everyone commented in the issue expected this to work (I expect this to ful…
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* In many cases, especially from lean, a function is defined as inductive depending on a family, e.g. `cases_on`.
* Subsequently this is applied to a constant family.
* In this case, `_.induc` shoul…