When neither resident made a joint eruv but each made an individual eruv, may the resident who dug the pit pour her wastewater directly into her partner's pit?

When two upper-story dwellings (aliyot) open onto a shared courtyard and only one has dug a pit (guma) for wastewater disposal, may both residents pour wastewater if they made a joint eruv?

3 opinions

Does the prohibition on the resident without an eruv apply even if she dug her own pit?

2 opinions

May the eruved resident (who dug the pit) pour wastewater directly into her partner's pit when they did not make a joint eruv?

2 opinions

If the courtyard is 4 amot or larger, are both residents permitted to pour wastewater even without a joint eruv and without a pit?

3 opinions

Does the Rema's leniency for a 4-amot courtyard apply even when the courtyard is exactly 4 amot (not more)?

1 opinions

What is the correct interpretation of the Mishnah's case — does it address a courtyard smaller than 4 amot (Tosafot/Rosh approach) or any courtyard regardless of size (Rambam approach)?

2 opinions

Is the principle of 'kecho b'chatzer she-einah meorevet' (indirect force in an uneruved courtyard is permitted) limited to a private courtyard or does it extend to a karmelit?

1 opinions

In the case where one resident made an eruv and the other did not, is the one without an eruv forbidden even to pour wastewater inside her own dwelling (not in the courtyard)?

2 opinions