What Latin phrase meaning blank slate?

The Latin equivalent of the English phrase 'as below' is Ut infra. In the word-by-word translation, the adverb 'ut' means 'as'. The adverb 'infra' means 'below'.

"In Toto"

Ab initio ab means from and initio is the ablative case (required by the preposition) of initium which means beginning Ab initio = from the beginning

ab ovo. This technically translates to "from the egg", but is used in literary and rhetorical circles to describe beginning at the logical point. might be de novo

nulli secundus?