What if someone did an act that he thought was chillul Shabbos?

From Q&A Daf Yomi Review - Real Clear Daf by R Shmuel Wise.

• Published: 2018-10-15T05:26:36.000Z
• Page: http://outorah.org/p/44449
• TorahApp: https://torahapp.org/share/p/OU_3831?e=http%3A%2F%2Foutorah.org%2Fp%2F44449