Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
c6e244d811
This PR adds lemmas to rewrite `BitVec.shiftLeft,shiftRight,sshiftRight'` by a `BitVec.ofNat` into a shift-by-natural number. This will be used to canonicalize shifts by constant bitvectors into shift by constant numbers, which have further rewrites on them if the number is a power of two. |
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