obvert

American  

[ob-vurt] / ɒbˈvɜrt /

verb (used with object)

1. to turn (something) so as to show a different surface.

2. Logic. to change (a proposition) by obversion.

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obvert British  

/ ɒbˈvɜːt /

verb

1. logic to deduce the obverse of (a proposition)

2. rare to turn so as to show the main or other side

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Other Word Forms

• obversion noun
• unobverted adjective

Etymology

Origin of obvert

1615–25; < Latin obvertere to turn toward, equivalent to ob- ob- + vertere to turn

Example Sentences

Obvert′, to turn towards the front.

From Project Gutenberg

Yet he decided to disclose to her a portion of his thoughts, in order that she might not act upon her own account, contradict her promises, and thereby cause the crown to obvert to Thulun.

From Project Gutenberg

Again, by the principle of Excluded Middle, if any term be denied of a subject, its contradictory may be affirmed: to obvert negative propositions, then, the rule is—Remove the negative sign, and for the predicate substitute its contradictory term.

From Project Gutenberg

On examining the results, it will be found that the cause of its ending is the inconvertibility of O. For E., when obverted, becomes A.; every A, when converted, degenerates into I.; every I., when obverted, becomes O.; O cannot be converted, and to obvert it again is merely to restore the former proposition: so that the whole process moves on to inevitable dissolution.

From Project Gutenberg

To reduce it ostensively let us call it Faksnoko, where k means 'obvert the foregoing premise.'

From Project Gutenberg