Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
subcontrary .
Etymologies
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Examples
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The last opposition of I and O statements, later to be dubbed subcontraries because they appear below the contraries on the traditional square, is a peculiar opposition indeed; Aristotle elsewhere (Prior Analytics
Contradiction Horn, Laurence R. 2006
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Two propositions are subcontraries iff they cannot both be false but can both be true.
The Traditional Square of Opposition Parsons, Terence 2006
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This refutes the possibility that I and O are both false, and thus fills in the bottom relation of subcontraries.
The Traditional Square of Opposition Parsons, Terence 2006
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The law of subcontraries is such that if one is false the other is true but not vice versa.
Contradiction Horn, Laurence R. 2006
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