Quickcheck
E822905
Quickcheck is an automatic counterexample generator integrated into the Isabelle proof assistant to help find flaws in formal specifications and conjectures.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Quickcheck canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9810059 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Quickcheck Context triple: [Isabelle, hasComponent, Quickcheck]
-
A.
The QC
The QC is a popular nickname for Charlotte, North Carolina, reflecting its identity as a major financial and cultural hub in the southeastern United States.
-
B.
Quickie
"Quickie" is a song featured on the album "All I Want Is You" by American singer Miguel.
-
C.
Testify
"Testify" is a blues-rock song by Stevie Ray Vaughan and Double Trouble, featured on their debut album "Texas Flood."
-
D.
Testify
Testify is a 2002 studio album by English musician Phil Collins, known for its introspective pop-rock style and reflective songwriting.
-
E.
Testify
"Testify" is a popular song by the American rock band Rage Against the Machine, known for its politically charged lyrics and aggressive sound.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Quickcheck Target entity description: Quickcheck is an automatic counterexample generator integrated into the Isabelle proof assistant to help find flaws in formal specifications and conjectures.
-
A.
The QC
The QC is a popular nickname for Charlotte, North Carolina, reflecting its identity as a major financial and cultural hub in the southeastern United States.
-
B.
Quickie
"Quickie" is a song featured on the album "All I Want Is You" by American singer Miguel.
-
C.
Testify
"Testify" is a blues-rock song by Stevie Ray Vaughan and Double Trouble, featured on their debut album "Texas Flood."
-
D.
Testify
Testify is a 2002 studio album by English musician Phil Collins, known for its introspective pop-rock style and reflective songwriting.
-
E.
Testify
"Testify" is a popular song by the American rock band Rage Against the Machine, known for its politically charged lyrics and aggressive sound.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
Isabelle component
ⓘ
counterexample generator ⓘ software tool ⓘ |
| analyzes |
Isabelle conjectures
ⓘ
Isabelle goals ⓘ Isabelle/HOL formulas ⓘ |
| approach |
exhaustive testing (for small domains)
ⓘ
random testing ⓘ symbolic execution (in some backends) ⓘ |
| benefit |
debugging of formalizations
ⓘ
early detection of specification errors ⓘ increased confidence in conjectures ⓘ |
| checks |
consistency of specifications
ⓘ
validity of conjectures on finite test cases ⓘ |
| configuration |
supports custom generators for datatypes
ⓘ
supports various testing parameters ⓘ |
| developedFor | Isabelle users ⓘ |
| documentation |
Isabelle/HOL tutorial and manuals
NERFINISHED
ⓘ
Isabelle/Isar Reference Manual NERFINISHED ⓘ |
| domain | higher-order logic ⓘ |
| hasBackend |
SMT-based backend
ⓘ
exhaustive tester backend ⓘ narrowing-based backend ⓘ random tester backend ⓘ |
| implementedIn | Isabelle/ML NERFINISHED ⓘ |
| integratedInto |
Isabelle
NERFINISHED
ⓘ
Isabelle/HOL NERFINISHED ⓘ |
| invokedBy |
Isabelle commands
ⓘ
quickcheck command in Isabelle ⓘ |
| origin | Isabelle/HOL testing framework research NERFINISHED ⓘ |
| output |
counterexamples
ⓘ
models violating conjectures ⓘ |
| partOf | Isabelle distribution ⓘ |
| purpose |
automatic counterexample generation
ⓘ
finding flaws in conjectures ⓘ finding flaws in formal specifications ⓘ |
| relatedTo |
Nitpick
ⓘ
Sledgehammer NERFINISHED ⓘ |
| supports |
Isabelle theories
ⓘ
Isabelle/HOL specifications ⓘ |
| targetUsers |
researchers in formal methods
ⓘ
theorem proving practitioners ⓘ |
| usedIn |
formal verification
ⓘ
interactive theorem proving ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Quickcheck Description of subject: Quickcheck is an automatic counterexample generator integrated into the Isabelle proof assistant to help find flaws in formal specifications and conjectures.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Isabelle