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n. pl. pro·pri·a (-prē-ə)
In Aristotelian thought, a predicable property common to all members of a kind but not constituting part of the definition of that kind.

[Medieval Latin, from neuter of Latin proprius, proper (to) (translation of Greek idion); see per in Indo-European roots.]


(Logic) logic obsolete Also called: property an attribute that is not essential to a species but is common and peculiar to it
[C16: Latin, neuter sing of proprius proper, own]
References in classic literature ?
Mr Burd points out that this passage is imitated directly from Cicero's "De Officiis": "Nam cum sint duo genera decertandi, unum per disceptationem, alterum per vim; cumque illud proprium sit hominis, hoc beluarum; confugiendum est ad posterius, si uti non licet superiore.
Chris Stewart Group("CSG"), a leading Edinburgh-based property developer and investor, today announced that an affiliate of Proprium Capital Partners("Proprium"), a global investment advisory firm, has agreed to make a significant minority investment of growth capital in CSG.
The partnership with Proprium is a major breakthrough for our Company," said Chris Stewart, founder and Chief Executive of CSG.
Yet it also displays forces of separation from ius proprium to the still standing codifications of the nineteenth century.
As a moral theologian, Romelt sees this more nuanced notion of responsibility already present in the well-known debate surrounding the proprium of Christian ethics.
But he cannot, because he is enslaved to his own predatory, domineering instincts, which we may call proprium, or self-love, or the Specter.
The ius commune was not, as many historians have assumed, in tension with the vast array of local juridical norms known as ius proprium.
Some, for example, may suspect - along with this historian - that the ius commune was less in tension with the ius proprium in Italy, where Bellomo's own scholarship has been centered, than in the North.
also brings Ricoeur's philosophical hermeneutics into dialogue with moral theology in terms of the proprium of Christian ethics.
de duplici quod proprium hominis sit vivendi genere atque de bonorum malorumque finibus etiam ex divino Maronis poetae figmento habuisse meminerim" ("which I remember Leon Baptista Alberti to have held colicernnig the twofold genera of living which is proper to humans and concerning the ends of good and evil and the figments of the divine poet Maro [Virgil]").