feat: add BitVec add/sub injectivity lemmas #6828
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This PR adds add/sub injectivity lemmas for BitVec, and then adds specialized forms with additional symmetries for the bv_normalize normal form. Since I need `neg_inj`, I add `not_inj`/`neg_inj` at once, and use it in `BitVec.not_beq_not` instead of re-proving it.
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vlad902
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Jan 28, 2025
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luisacicolini
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Feb 24, 2025
This PR adds add/sub injectivity lemmas for BitVec, and then adds specialized forms with additional symmetries for the `bv_normalize` normal form. Since I need `neg_inj`, I add `not_inj`/`neg_inj` at once, and use it in `BitVec.not_beq_not` instead of re-proving it.
luisacicolini
pushed a commit
to opencompl/lean4
that referenced
this pull request
Feb 25, 2025
This PR adds add/sub injectivity lemmas for BitVec, and then adds specialized forms with additional symmetries for the `bv_normalize` normal form. Since I need `neg_inj`, I add `not_inj`/`neg_inj` at once, and use it in `BitVec.not_beq_not` instead of re-proving it.
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This PR adds add/sub injectivity lemmas for BitVec, and then adds specialized forms with additional symmetries for the
bv_normalizenormal form.Since I need
neg_inj, I addnot_inj/neg_injat once, and use it inBitVec.not_beq_notinstead of re-proving it.