Does one who drank wine (but did not eat) with the group count as having participated for purposes of saying 'she'achalnu' in zimmun?

BlessingsBirkat HaMazon

Synopsis

The Magen Avraham and Mishnah Berurah rule that drinking is included in 'eating' for the purpose of zimmun, so one who drank may say 'Baruch she'achalnu.' However, the Mishnah Berurah notes a doubt (from the Pri Megadim) regarding a quorum of ten and mention of God's name.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

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