La La La- you might have seen the video but if you have I'm pretty sure you would understand it's about a child covering there ears so they can't hear what your saying and saying well lalala haha! I'm sure you've done it as a child.
2583 /kaná¹n (rule, standard) was used for a summary of orthodox Christian doctrine in the early Church (its consensual theology) â called the rule (kanÅn) of truth or rule of faith (regula fidei).
Clausula rebus sic stantibus. In public international law, clausula rebus sic stantibus (Latin for things thus standing) is the legal doctrine allowing for treaties to become inapplicable because of a fundamental change of circumstances.