proof(SafeChecksum): DISCHARGE crc32PolynomialIsIEEE via Refl (proven#90, #107) - #108
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`crc32Polynomial` is `public export` with body `0xEDB88320` in SafeChecksum.idr L21-23. Bits32 literal equality is primitive — both sides of `crc32Polynomial = 0xEDB88320` reduce to the same literal and `Refl` closes. The OWED's "numeric-literal opaque under Bits32" only applies to REDUCING `crc32Polynomial` to a *different* literal; here LHS and RHS are the same literal so the blocker doesn't apply. One-line proof: - crc32PolynomialIsIEEE = Refl Eleventh PR in today's overly-cautious-OWED hunt. Refs #90 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Per proven#107 "overly cautious OWED" pattern.
```idris
public export
crc32PolynomialIsIEEE : crc32Polynomial = 0xEDB88320
crc32PolynomialIsIEEE = Refl
```
`crc32Polynomial` is `public export` with body `0xEDB88320` (SafeChecksum.idr L21-23). Both sides are the same `Bits32` literal — primitive equality,
Reflcloses.The OWED's "numeric-literal opaque under Bits32" blocker only applies to REDUCING
crc32Polynomialto a different literal. Here LHS and RHS are the same literal so no reduction is needed.Refs #90 #107