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feat(algebra/char_zero): cast_injective for integers #14458

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@joneugster joneugster commented May 30, 2022

cast_injective extended to integers.


My proof feels very manual and I think there should be a much quicker way...

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@joneugster joneugster added help-wanted The author needs attention to resolve issues medium awaiting-review The author would like community review of the PR blocked-by-other-PR This PR depends on another PR which is still in the queue. A bot manages this label via PR comment. labels May 30, 2022
@mathlib-dependent-issues-bot mathlib-dependent-issues-bot removed the blocked-by-other-PR This PR depends on another PR which is still in the queue. A bot manages this label via PR comment. label May 30, 2022
@joneugster joneugster added the WIP Work in progress label May 30, 2022
@joneugster joneugster removed medium awaiting-review The author would like community review of the PR labels May 30, 2022
@mathlib-dependent-issues-bot mathlib-dependent-issues-bot added the blocked-by-other-PR This PR depends on another PR which is still in the queue. A bot manages this label via PR comment. label May 30, 2022
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@joneugster joneugster closed this May 30, 2022
@joneugster joneugster removed the help-wanted The author needs attention to resolve issues label May 30, 2022
@joneugster joneugster deleted the char_zero_cast_inj branch June 2, 2022 08:19
@joneugster joneugster added duplicate and removed WIP Work in progress blocked-by-other-PR This PR depends on another PR which is still in the queue. A bot manages this label via PR comment. labels Jun 2, 2022
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