display all the ideas for this combination of texts
3 ideas
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
17369 | We name species as small to share properties, but large enough to yield generalisations [Devitt] |
17367 | Species are phenetic, biological, niche, or phylogenetic-cladistic [Devitt, by PG] |