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Semantic Caveats #197

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sourdough-bread opened this issue Dec 20, 2022 · 0 comments
Closed

Semantic Caveats #197

sourdough-bread opened this issue Dec 20, 2022 · 0 comments
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@sourdough-bread
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The empty constraint [] = all([]) evaluates to True in CPMpy.

The current implementation of implies allows for the construction of expressions of the type:

  • bv.implies([]) where the expression could be evaluated to ~bv | True = True directly.

If the [] empty list constraint is encoded as a linear expression sum([]) it should evaluate to 0.

  • bv.implies([]) where the expression could evaluate to ~bv directly.
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