1. What is Social Justice as defined in the case of Maximo Calalang vs. Williams (G.R. No. 47800, December 2, 1940).

2. Explain the following labor law principles:

a. No work, no pay;

b. Equal pay for equal work; and

c. Non-diminution of benefits

PS. Please help me answer this for my law subject, please rephrase answers and be detailed in answering. Thank you!