τῶν μὲν γὰρ Ἑλληνικῶν πολιτευμάτων ὅσα πολλάκις μὲν ηὔξηται, πολλάκις δὲ τῆς εἰς τἀναντία μεταβολῆς ὁλοσχερῶς πεῖραν εἴληφε, ῥᾳδίαν εἶναι συμβαίνει καὶ τὴν ὑπὲρ τῶν προγεγονότων ἐξήγησιν καὶ τὴν ὑπὲρ τοῦ μέλλοντος ἀπόφασιν
Of the Greek republics, which have again and again risen to greatness and fallen into insignificance, it is not difficult to speak, whether we recount their past history or venture an opinion on their future.
What kind of use of ὅσα is ...

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