Definitions for "Ab initio"
From first principles. Deriving a 3D structure from initial physical forces and interactions.
"from the beginning"
Latin, from the beginning] used in situations regarding the validity of will, deed, or other legal document
Keywords:  inception, null, breach, void, treat
A breach of a condition may lead an insurer to treat a policy as null and void, meaning from its inception.
Keywords:  trust