उपचारात्मक दायित्व (Remedial liability) निम्नलिखित में से किस विधिक सूत्र/सिद्धांत पर आधारित है?

Postmodern legal theorists are frequently referred to as:

The theory of remedial liability in jurisprudence is based on which legal maxim?

According to Salmond, which of the following is/are mode(s) of acquisition of property?