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feat: add BitVec.toInt_sub #27

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feat: add BitVec.toInt_sub #27

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Commits on Oct 19, 2024

  1. feat: add BitVec.toInt_sub 

    This requires us to expand the theory of `Int.bmod`, add `Int.natCast_sub`, as
well as `Int.ofNat_sub_ofNat` and a couple of related theorems.
    @tobiasgrosser
    tobiasgrosser committed Oct 19, 2024
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  2. shorten proof

    @tobiasgrosser
    tobiasgrosser committed Oct 19, 2024
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  3. clean proof further

    @tobiasgrosser
    tobiasgrosser committed Oct 19, 2024
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  4. use implicit arguments

    @tobiasgrosser
    tobiasgrosser committed Oct 19, 2024
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  5. remove redundant proofs

    @tobiasgrosser
    tobiasgrosser committed Oct 19, 2024
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  6. remove redundant proofs

    @tobiasgrosser
    tobiasgrosser committed Oct 19, 2024
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  7. simplify proof of toInt_neg using toInt_sub

    @alexkeizer
    alexkeizer committed Oct 19, 2024
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  8. Update src/Init/Data/BitVec/Lemmas.lean 

    Co-authored-by: Alex Keizer <[email protected]>
    @tobiasgrosser @alexkeizer
    tobiasgrosser and alexkeizer authored Oct 19, 2024
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Commits on Oct 21, 2024

  1. add 'simp only'

    @tobiasgrosser
    tobiasgrosser committed Oct 21, 2024
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