When two stacked ledges owned by different people are both less than four by four tefachim, may they be used?

ShabbatCarrying and Domains

Synopsis

When neither ledge is four by four neither is an independent domain, and both owners may freely use their ledges as well as the full wall up to ten tefachim.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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