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* Bugfix: convert ifte arms to formulas for printing
We have two kinds of ITEs in our LFSC proofs:
* ite: for sort-typed expressions
* ifte: for formulas
Say that we have a Bool-sorted ITE. We had machinery for emitting an
`ifte` for it, but this machinery didn't actually convert the arms of
the ITE into formulas... Facepalm.
Fixed now.
* Test the lifting of ITEs from arithmetic.
This test verifies that booleans ITEs are correctly lifted to formula
ITEs in LRA proofs.
It used to fail, but now passes.
* clang-format
* Typos.
* Add test to CMake
* Set --check-proofs in test
* Address Yoni
* Expand printsAsBool documentation
* Assert ITE typing soundness
* Assert a subtype relation for ITEs, not equality
* Update src/proof/arith_proof.h
Thanks Yoni!
Co-Authored-By: yoni206 <yoni206@users.noreply.github.com>
Co-authored-by: yoni206 <yoni206@users.noreply.github.com>
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