Cairn
Docs
Claims
Blog
Packages
Claim ยท cairn 0.2.4
cairn^225 The list is the filter applied to the todos
An invariant of cairn 0.2.4.
- Id
cairn^225- Kind
- invariant
- Reads as
- proved
- Version
- 0.2.4
What it says
The rows on screen are exactly the todos the selected filter accepts, in creation order, under any hover and focus, in every reachable state. (T40, T42)
Evidence
| proved | init | Examples.Todo.listedRows.init |
| proved | step | Examples.Todo.listedRows.step |
| proved | receive | Examples.Todo.listedRows.receive |
| proved | reachable | Examples.Todo.listedRows.reachable |
| proved | reachableAll | Examples.Todo.listedRows.reachableAll |
| fuzzed | Not shown yet: the claim-driven fuzzer held it in every random sequence (docs/fuzz.md). A CI step will publish it (#95). | |
| tested | Not shown yet: the running app matched the model at every step that exercised it (docs/conformance.md). A CI step will publish it (#95). | |
Where it's defined
- Declaration
Examples.Todo.listedRows- Module
Examples.Todo- Source
lean/Examples/Todo.lean:204atv0.2.4- Machine
Examples.Todo.machine- Statement
Examples.Todo.listedRows.holds- Statement hash
cdded3b5839c217c
Ledger
cairn^225 is active in this version's claims.lock, statement cdded3b5839c217c. An id never moves or changes meaning.