Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
6970d77ae4
This PR add instances showing that the Grothendieck (i.e. additive) envelope of a semiring is an ordered ring if the original semiring is ordered (and satisfies ExistsAddOfLE), and in this case the embedding is monotone. |
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| lean-toolchain | ||
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| LICENSE | ||
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