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TLA⁺ core developer
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Disjunctive
- Seattle, Washington, USA
- https://ahelwer.ca/
- @ahelwer@discuss.systems
- in/ahelwer
- https://codeberg.org/ahelwer
- https://sr.ht/~ahelwer/
Pinned Loading
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tlaplus-community/tree-sitter-tlaplus
tlaplus-community/tree-sitter-tlaplus PublicA tree-sitter grammar for TLA⁺ and PlusCal
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tlaplus-community/tlauc
tlaplus-community/tlauc PublicRewrites TLA⁺ specs to use Unicode symbols instead of ASCII, and vice-versa
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Z3Prover/FirewallChecker
Z3Prover/FirewallChecker PublicA self-contained firewall checker
572 contributions in the last year
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Contribution activity
July 2025
Created 7 commits in 4 repositories
Created a pull request in tlaplus/foundation that received 14 comments
Wrote July dev update newsletter
Had to update some stuff so the site builds in newer versions of Hugo (first commit). For whatever reason the Hugo devs have chosen to keep the sit…
+433
−330
lines changed
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14
comments
Opened 7 other pull requests in 4 repositories
tlaplus/tlapm
2
merged
1
open
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README: updated description of TLAPS vs TLAPM
This contribution was made on Jul 22
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CI: stretch library proof check times
This contribution was made on Jul 21
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Compare TLAPM AST with expected AST in syntax tests
This contribution was made on Jul 14
tlaplus/tlaplus
1
open
1
merged
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SANY: Standardize PlusCal translation-hash mismatch warnings
This contribution was made on Jul 23
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SANY: replace custom Stack class with Deque
This contribution was made on Jul 1
tlaplus-community/tlauc
1
merged
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Added translation
--skip
parameter to CLI and APIThis contribution was made on Jul 22
tlaplus/Examples
1
merged
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CI: fix state count regex
This contribution was made on Jul 1
Reviewed 5 pull requests in 2 repositories
tlaplus/tlaplus
4 pull requests
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Raise warning when definition or declaration appears as Record field name.
This contribution was made on Jul 23
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SANY: Standardize PlusCal translation-hash mismatch warnings
This contribution was made on Jul 23
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SANY: replace custom Stack class with Deque
This contribution was made on Jul 17
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SANY: centralize log output streams
This contribution was made on Jul 2
tlaplus/foundation
1 pull request
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Wrote July dev update newsletter
This contribution was made on Jul 17
Created an issue in tlaplus/tlapm that received 2 comments
Intermittent macOS CI failures
Lately the macOS CI runs have been pretty flaky. Possibly this could be related to the recent Isabelle changes by @muenchnerkindl. While some of th…
2
comments
Opened 1 other issue in 1 repository
tlaplus/tlapm
1
closed
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Clarify meaning of TLAPM vs TLAPS
This contribution was made on Jul 21
Started 2 discussions in 2 repositories
tlaplus/tlapm
tlaplus/tlapm
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What is the purpose of defining the user signal handler in src/tlapm.ml?
This contribution was made on Jul 5
guidance-ai/guidance
guidance-ai/guidance
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What do the functions tagged with @guidance desugar to?
This contribution was made on Jul 2
Answered 1 discussion in 1 repository
tlaplus/tlapm
tlaplus/tlapm
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Can TLAPM be used as a library?
This contribution was made on Jul 23