1865, Samuel Birley Rowbotham, Zetetic Astronomy, 2022 facsimile reprint, Salzwasser Verlag, page 6,
Hence, in every zetetic process, the conclusion arrived at is essentially a quotient, which, if the details be correct, must, of necessity, be true beyond the reach or power of contradiction.
Source: wiktionary
This^([the assumption that the earth is an extended plain]) is the great central zetetic assumption on which the whole theory is based.
Source: wiktionary
The zetetic approach or, as Kant translates it, the searching approach, becomes the element by means of which the discourse develops, the medium in which philosophical thinking occurs.
Source: wiktionary
This^([the assumption that the earth is flat]) is the doctrine held by the Zetetic school of philosophy, which some years ago made quite a stir in England.[…]An active propagandist of Zetetic doctrine is Professor William Carpenter, 71 Chew street, who has been in this country for about five years.
Source: wiktionary
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