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Wordswarms From Years Past


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Adjacent Words

Opposed
Opposeless
Opposer
opposing
Opposite
opposite number
opposite sex
opposite word
Oppositely
Oppositeness
Oppositifolious
Opposition
opposition party
oppositional
Oppositionist
Oppositipetalous
Oppositisepalous
Oppositive
Oppress
Oppressed
Oppressing
Oppression
Oppressive
Oppressively
Oppressiveness

opposition, square of definitions

Britannica Concise

Geometrical representation of the traditional logical relations of opposition (contradictories, contraries, subalterns) among the four types of propositions (universal affirmative or A-proposition, universal negative or E, particular affirmative or I, particular negative or O) in the Aristotelian doctrine of the syllogism. At the top left is the A; at the top right is the E; below the A is the I; and below the E is the O. The A and the O, like the E and I, are contradictories (diagonal relations); the A and the E are contraries; and the I is subaltern to (hence implied by) the A, the O subaltern to the E. Whereas contradictories have opposite truth-values (one true, the other false), contraries cannot both be true but can both be false.



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