This learning video comprehensively discusses the law on obligations particularly Article 1183 (obligations with impossible condition), Article 1184 (obligations with positive condition), and Article 1185 (obligations with negative condition).
0:00:00 - Review of Art. 1179 to 1182
0:07:17 - Article 1183
0:24:45 - Article 1184
0:36:40 - Article 1185