Also found in: Encyclopedia, Wikipedia.


(ē′kwə-pŏl′ənt, ĕk′wə-)
1. Equal in force, power, effectiveness, or significance.
2. Logic Validly deducible from each other.
3. Equivalent.
An equivalent.

[Middle English, from Old French, from Latin aequipollēns, aequipollent- : aequi-, equi- + pollēns, present participle of pollēre, to be powerful.]

e′qui·pol′lence n.
e′qui·pol′lent·ly adv.

equipollence, equipollency

equality between two or more propositions, as when two propositions have the same meaning but are expressed differently. See also agreement.
See also: Logic
equalness of force, validity, etc. — equipollent, adj. See also logic.
See also: Strength and Weakness
equalness of force, validity, etc. See also logic. — equipollent, adj.
See also: Agreement
References in periodicals archive ?
More fundamentally, while as USA's extracting or evacuate from Afghanistan, relinquishing Central Asia she challenges to have for the equipollence and balance of power relations with the Beijing as well as with Moscow.
If we remain strictly at the phenomenal level, there is rarely equipollence; it is in the nature of appearances to incline us.
cit., 295-6 explains the two senses of 'separate' using logic: "Avicenna makes a distinction between plain or simple negation and negation by equipollence (or perhaps, better, metathesis).
Peralta also identifies the two of them as liminal points of the history of Spanish colonial power in the New World--a chronological equipollence he regards as "the geometry of honor":
The constancy attributed to things could be derived in the Heraclitean account from the equipollence of constitutive opposites.
Lowrey, Otnes, and Robbins (1996) summarize three values of gift--Instrumental values (frugality and equipollence that impact on the gift giver), Mixed Values (tradition and edification impact both on giver and recipient), and Terminal values (social recognition which impacts on primarily giver).
This assumption is termed the equipollence hypothesis, which has enabled the model to achieve a certain degree of consistency and greater simplicity in the study of meaning construction (Mairal and Ruiz de Mendoza, 2009).
For him, determining that there is a causal connection between one thing and another is "a certain [habitual] instinct of our nature," which may indeed be fallible, but at the same time, he holds that the radical skeptic of causality "must acknowledge, if he will acknowledge anything, that all human life must perish, were his principles universally and steadily to prevail." (15) It must be emphasized that this statement is directed toward Pyrhonnian or Ancient skepticism, which employs the equipollence method to promote a suspension of judgment about any truth claim whatsoever, in order to arrive at a state of unperturbedness (ataraxia).
In Chapter 4, Forster deals with the Pyrrhonian crisis that Kant underwent in the mid-1760s, which made him realize that there were conflicting but equally persuasive metaphysical claims and that this situation of equipollence led to suspension of judgment.
The two most important forms of skepticism for Kant were Humean skepticism, with its focus on the problem of causality and the impossibility of synthetic a priori knowledge, and Pyrrhonian skepticism with its focus of the suspension of judgment by establishing a balance of opposing arguments, or "equipollence" (the antinomies in the Critique of Pure Reason).
He argues that the only means of obtaining a proper historical account of the subject consists in keeping a firm grasp of the main tenets of ancient skepticism--namely, isostheneia (equipollence or equal strength of contrasting arguments), epoche (suspension of judgement), and ataraxia (tranquillity)--as terms of comparison.