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Claim ยท cairn 0.5.2
cairn^1107 A set shows in its own step
An invariant of cairn 0.5.2.
- Id
cairn^1107- Kind
- invariant
- Reads as
- proved
- Version
- 0.5.2
What it says
Whatever is in flight or in doubt, setting a key to f of what it shows makes it show exactly that in the same step: what is shown is want, and a set changes want at once.
Evidence
| proved | init | Cairn.Optimistic.Claims.setShows.init |
| proved | step | Cairn.Optimistic.Claims.setShows.step |
| proved | receive | Cairn.Optimistic.Claims.setShows.receive |
| proved | reachable | Cairn.Optimistic.Claims.setShows.reachable |
| proved | reachableAll | Cairn.Optimistic.Claims.setShows.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
Cairn.Optimistic.Claims.setShows- Module
Cairn.Optimistic.Claims- Source
lean/Cairn/Optimistic/Claims.lean:181atv0.5.2- Machine
Cairn.Optimistic.Claims.machine- Statement
Cairn.Optimistic.Claims.setShows.holds- Statement hash
ee8504a9cabd0b40
Ledger
cairn^1107 is active in this version's claims.lock, statement ee8504a9cabd0b40. An id never moves or changes meaning.