ἰδέα
idea
form
Appears 196 times across Aristotle's works.
Frequency by work
Click a work to list every occurrence by Bekker number — each links into the reader.
Dictionary (LSJ)
ἰδέα [ῐ], Ion. ἰδέη, ἡ, (ἰδεῖν) A. form, ἰδέᾳ καλός O. 10(11).103, cf. 29.6; τὴν ἰ. πάνυ καλός Prt. 315e; τὴν ἰ. μοχθηρός 1.100, cf. Av. 1000; ἰδέην ὁρέων 1.80; opp. χρῶμα, 4.109; opp. μέγεθος, Phd. 109b (pl.); ἡ ἰ. αὐτοῦ ἦν ὡς ἀστραπή Ev.Matt. 28.3, etc.; of the elementary shapes, ἄτομοι ἰδέαι ap. 2.1111a codd., cf. Fr. 141 ; of the four elements, Philistion ap. 20.25. 2. semblance, opp. reality, γνώμην ἐξαπατῶσʼ ἰδέαι outward appearances cheat the mind, 128. 3. kind, sort, φύλλα τοιῆσδε ἰδέης 1.203; φύσιν παρέχονται ἰδέης τοιήνδε [οἱ ποτάμιοι ἵπποι] 2.71; ἐφρόνεον διφασίας ἰ. they conceived two modes of acting, 6.100, cf. 119; τὰ ὄργιʼ ἐστὶ τίνʼ ἰ. ἔχοντά σοι; what is their nature or fashion? Ba. 471; ἑτέραν ὕμνων ἰ. Ra. 384; καινὰς ἰ. εἰσφέρειν new forms of comedy, Nu. 547; τίς ἰ. βουλεύματος; Av. 993; πᾶσα ἰ. θανάτου every form of death, or death in every form, 3.81, cf. 83, 2.51; πολλαὶ ἰ. πολέμων 1.109; ἡ ὑπάρχουσα ἰ. τῆς παρασκευῆς 4.55; πᾶσαν ἰδέαν πειράσαντες having tried every way, 2.19; τῇ αὐτῇ ἰ. 3.62, 6.76; οὐκ ἐν ταῖς αὐταῖς ἰ. not in the same relations, 3.44: εἰς μίαν τινὰ ἰ. into one kind of existence, Tht. 184d; ἄλλη ἰ. πολιτείας R. 544c, etc.; ἀγοραίας . . ἰδέας τοῦ βίου Fr. 196. 4. esp. in Rhet., etc., of literary form, ἀμφοτέραις ταῖς ἰδέαις κατεχρήσαντο πρὸς τὴν ποίησιν 2.48, cf. 15.47,183; ἡ ἰαμβικὴ ἰ. Po. 1449b8, cf. 1450b34, Rh.Al. 1425a9, etc.; ἡ ἐν τῷ λέγειν ἰ. Rh. 2.258 b. style, Πλατωνική, Δημοσθενικὴ ἰ., in Hermog. 1.112 R. c. a quality of style (e.g. σαφήνεια, γοργότης, etc.), Id.tit., etc. II. in Logic,= εἶδος, class, kind: hence, principle of classification, ἔφησθα . . μιᾷ ἰδέᾳ τά τε ἀνόσια ἀνόσια εἶναι καὶ τὰ ὅσια ὅσια Euthphr. 6d, cf. Phdr. 265d. Sph. 253d, etc. 2. pl. in Platonic Philosophy, ideal forms, archetypes, τὰς . . ἰ. νοεῖσθαι μέν, ὁρᾶσθαι δʼ οὔ R. 507b, cf. 596b,al., Metaph. 990a34, al., EN 1096a17: also in sg., ἡ τοῦ ἀγαθοῦ ἰ. R. 508e, al., cf. εἶδος. 3. notion, idea, προάγειν τὸν ἀποκρινόμενον ἐπὶ τὴν ἰ. ἀγνοουμένου πράγματος 2. (Written εἰδέα in later Greek, as PGen. 16.17 (iii A.D.), v.l. in Ev.Matt. 28.3.)
Key passages & sense analysis (Bonitz)
Index Aristotelicus. Hermann Bonitz's sense-by-sense analysis of
ἰδέα — with the passages
he singles out as decisive for each meaning — will appear here. That curated,
interpretive selection is the layer LSJ and a raw concordance don't provide.
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