May one recite Aneinu (the special fast-day prayer insertion) if one accepted the fast only through mental intention rather than verbal declaration during afternoon prayer?

Fasts & MourningFast Acceptance

Synopsis

Authorities debate whether Aneinu may be recited when the fast was accepted mentally rather than verbally at the prescribed time, with distinction made between prayer leaders and private individuals.

Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

Discussion coming soon.

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