add new minimizer and fix bug

[Perro2110]

Update on Logical Minimizers and Bug Fix

I started by adding two new logical minimizers, boom and abc. While working on this, I noticed a bug in the conversion functions between PLA and formulas. This led me to investigate further.

Specifically, I was testing the correctness of the two core functions:

• _formula_to_pla
• _pla_to_formula

Both are located in the SoleData/src/scalar-pla.jl file under the SoleData module.

Here’s a minimal reproducible test case:

using SoleData, SoleLogics
using SoleData: PLA

f = @scalarformula(
    ((V1 < 5.85) ∧ (V1 ≥ 5.65) ∧ (V2 < 2.85) ∧ (V3 < 4.55) ∧ (V3 ≥ 4.45) ∧ (V4 < 0.35)) ∨
    ((V1 < 5.3) ∧ (V2 ≥ 2.85) ∧ (V3 < 5.05) ∧ (V3 ≥ 4.85) ∧ (V4 < 0.35))
)

pla_str, args, kwargs = PLA._formula_to_pla(f, false, false)

featvaltype = Float64

result = PLA._pla_to_formula(pla_str, false, args...; featvaltype=featvaltype, kwargs...)

For most formulas, the result is logically equivalent to the original formula f, as expected. However, in this particular case, it’s not.

---

Root Cause

I believe I found the issue:

The original implementation had a critical bug: it always overwrote values in pla_row without checking if they were already set, potentially causing logical conflicts.

---

Fix

Key Improvement:

• Added proper conflict checks and state management during the conversion process.

---

These two functions are extremely important — not just for Lumen, but also for a major feature I’ve been working on and was planning to demo in SoleData.

[codecov]

Codecov Report

Attention: Patch coverage is 11.59420% with 183 lines in your changes missing coverage. Please review.

Project coverage is 50.23%. Comparing base (6629d91) to head (adb2a1b).

Files with missing lines	Patch %	Lines
src/minimize.jl	0.00%	177 Missing ⚠️
src/scalar-pla.jl	80.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #44      +/-   ##
==========================================
- Coverage   52.84%   50.23%   -2.61%     
==========================================
  Files          51       51              
  Lines        3151     3354     +203     
==========================================
+ Hits         1665     1685      +20     
- Misses       1486     1669     +183     

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[giopaglia]

Docstrings should start with the function signature, not anything else. Let's could cite the reference in the docstring text body

[giopaglia]

Either we make these part of the package (but let's ensure we can and there are no licensing issues), or we introduce some logic for downloading them automatically. If the executable are not too large (< 5MB) I would lean towards the first choice. Btw they should be executable on linux machines surely (idk about that exe file?). Also what's the .linux extension? Is it an executable?

[giopaglia]

This function is a bit of a mess (my bad, sorry, I've rushed a bit while writing it). It's difficult for me atm to understand what's going on and whether the fix is correct. Do all the tests pass?