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Teach the typechecker a bit more about exponents #1149

Merged
merged 2 commits into from
Apr 6, 2021
Merged

Teach the typechecker a bit more about exponents #1149

merged 2 commits into from
Apr 6, 2021

Commits on Apr 6, 2021

  1. Teach the typechecker a bit more about exponents. 

    This fixes issue #734, and partially addresses #930.
The basic issue with 734 was that the solver was chosing
spurious counterexamples for the exponent function; in particular,
models where the output was not at least 1.  The fairly restricted
axiom we add here just says that the exponent function is at least
as large as its base for positive inputs.
    @robdockins
    robdockins committed Apr 6, 2021
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  2. Make the issue148 test less sensitive to solver versions

    @robdockins
    robdockins committed Apr 6, 2021
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