Which authorities hold that even a rabbinic-level public Shabbat violation suffices to create mumar status?

ShabbatEruvin

Synopsis

Multiple Rishonim and Acharonim agree that public violation of even a rabbinic Shabbat prohibition is sufficient to create mumar status for eruv, based on a Talmudic source about carrying from a courtyard to a lane.

Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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