Sledgehammer | Smashes the stupid out of the client & server | REST library
kandi X-RAY | Sledgehammer Summary
kandi X-RAY | Sledgehammer Summary
Smashes the stupid out of the client & server.
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Top functions reviewed by kandi - BETA
- Initializes the platform
- Registers an integration class
- Registers the given command class to the set of commands
- Deserializes a locale resource file
- Executes the command
- Registers all commands in the given command
- Set current platform state
- Executes the integration
- Cancels a server
- Executes a command
- Initialize the configuration
- Prepares database
- Handles process entity action
- Gets the object
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Community Discussions
Trending Discussions on Sledgehammer
QUESTION
So I'm trying to perform a simple proof using cardinalities. It looks like:
...ANSWER
Answered 2021-Jun-11 at 08:54I believe that the lemma you are trying to prove does not appropriately consider the case of infinite sets.
In Isabelle/HOL, infinite cardinalities are represented by zero. As we can see by the following lemma.
QUESTION
While reading this answer on quotient types, I stumbled upon the construct "case _ of _ ⇒ _". Upon checking the manual, there's no such definition, but there are separate definitions for "case _" (§6.5.1) and "of _" (§6.4.3). Nonetheless, reading these definitions only confused me more about the meaning of this construct.
Consequently, I decided to come up with a simpler version of the lemma that I might be able to prove, which was this one:
...ANSWER
Answered 2021-Apr-25 at 13:22In Isabelle, a statement of the type case _ of _ ⇒ _ | _ ⇒ _ | _ ⇒ _ | ... is a form of pattern matching.
You might want to take a look at §2.5.4 of Isabelle's tutorial (§2.5.5 and §2.5.6 are also useful). This question on pattern matching and the Wikipedia article may provide more information about pattern matching in general.
What you are missing is that there not guarantee that the patterns are exhaustive. If no pattern matches, the result is undefined.
Nitpick actually finds a counter-example automatically on your lemma:
QUESTION
When you expand or collapse the details element, there is an outline.
Is there a way to remove this outline on expand/collapse, but not when we switch between elements using the Tab key?
...ANSWER
Answered 2021-Apr-09 at 00:49Have you tried border: none; That should solve your issue
QUESTION
I have a locale field and the function pow_F defined as follows
ANSWER
Answered 2021-Apr-07 at 13:24When you use function, you have to prove termination before you can use the pow_F.simps rules. You probably want to use fun instead (which proves termination automatically).
QUESTION
I have a Windows Service built in .NET Core 3.1. The service contains multiple BackGroundService classes that each performs an action. Each Background service has a loop similar to:
...ANSWER
Answered 2021-Mar-23 at 17:49Inject Microsoft.Extensions.Hosting.IHostApplicationLifetime into your service and call StopApplication when needed.
QUESTION
So I'd like to define a function (we'll call it applied) that would get rid of all occurrences of a sub-multiset within another multiset and replace each occurrence with a single element. For example,
applied {#a,a,c,a,a,c#} ({#a,a,c#}, f) = {#f,f#}
So at first I tried a definition:
...ANSWER
Answered 2021-Feb-05 at 09:59Defining it recursively like this is indeed a bit tricky because termination is not guaranteed. What if fst t = {# snd t #}, or more generally snd t ∈# fst t? Then your function keeps running in circles and never terminates.
The easiest way, in my opinion, would be a non-recursive definition that does a ‘one-off’ replacement:
QUESTION
While doing some basic algebra, I frequently arrive at a subgoal of the following type (sometimes with a finite sum, sometimes with a finite product).
...ANSWER
Answered 2021-Jan-07 at 16:25Assuming the left-hand side could use an arbitrary value between 0 and N, what about adding a more general lemma
QUESTION
MRE:
...ANSWER
Answered 2020-Nov-01 at 11:58If you don't want to tab through the cells at all, add self.table_view.setTabKeyNavigation(False)
https://doc.qt.io/qt-5/qabstractitemview.html#tabKeyNavigation-prop
QUESTION
A status in XML needs to change before it gets forwarded. If RESPONSE.OUTBOUND.STATUS is equal to "ERR", it needs to say "FAILURE" instead. Other messages that STATUS may contain must remain as is.
Sample XML before processing:
...ANSWER
Answered 2020-Oct-25 at 09:46This should help.
QUESTION
My aim is to get a function constant f from a fact of the form ∀ x . ∃ y . P x y so that ∀ x . P x (f x). Here is how I do it manually:
...ANSWER
Answered 2020-Aug-31 at 14:56I don't think there is anything that automates this use case. You can avoid fiddling around with SOME by using the choice rule directly; it allows you to turn an ‘∀∃’ into a ‘∃∀’. However, you still have to convert P from a curried property with 5 arguments into a tupled one with two arguments first, and then unwrap the result again. I don't see a way around this. This is how I would have done it:
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