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maude: mixfix surface-syntax printer (11 tests, 207 total)
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lib/maude/pretty.sx — mau/term->maude renders internal prefix terms back
in Maude mixfix syntax driven by op forms; mau/red->maude / mau/rew->maude
reduce-then-render. Output now reads as idiomatic Maude.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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giles
2026-06-07 15:32:20 +00:00
parent 4018671087
commit 8ab36b90bf
6 changed files with 146 additions and 5 deletions
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plans/maude-on-sx.md
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@@ -101,6 +101,11 @@ The novel substrate stress: equational matching. Pattern `X + Y` against `1 + 2
- [x] Build proofs / programs that manipulate Maude programs.
- [x] Tests: meta-circular interpretation, generic theorem helpers.
### Extensions (post-roadmap, toward the end-state goal)
- [x] Mixfix surface-syntax printer (`lib/maude/pretty.sx`) — `mau/term->maude`
renders the internal prefix form back as Maude mixfix (`((s X) + 0)`),
driven by op forms; `mau/red->maude` / `mau/rew->maude`. 11 tests.
### Phase 8 — Propose `lib/guest/rewriting/`
- [ ] Extract equational matching engine (the most reusable piece).
- [ ] Extract normal-form-by-equations infrastructure.