Poznámka 30

Srv. T. H. Irwin, cit. d., str. 519, pozn. 4: „It is true that unchanging as well as changing things may have an Aristotelian aitia. If we ask for the aitia of a triangle’s having angles adding up to 180 degrees or of a syllogistic conclusion (srv. 194b27–8, 195a18–19) […]“ a H. Seidl, cit. d., str. 275. O ideji a látce matematických objektů viz např. Post. an. 79a7–10, De an. 431b12–17, Met. M,3.