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Theodicy

Gottfried Wilhelm Leibniz, Freiherr von · 1710-1711 primary

passage 189 of 360 · book with much acrimony. But the accused won his case in a Synod. > PART TWO (43/80)

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in brief
He reviews Epicurus and Stoic debates about possible but non-occurring future events, including the claim that determinism makes all propositions necessary, and argues that such reasoning confuses certain with necessary.

recourse to such answers. Yet we shall see that M. Bayle himself confused the certain with the necessary, when he maintained that the choice of the best rendered things necessary.

  1. Let us come now to the possibility of things that do not happen, and I will give the very words of M. Bayle, albeit they are somewhat discursive. This is what he says on the matter in his Dictionary (article 'Chrysippus', let. S, p. 929): 'The celebrated dispute on things possible and things impossible owed its origin to the doctrine of the Stoics concerning fate. The question was to know whether, among the things which have never been and never will be, there are some possible; or whether all that is not, all that has never been, all that will never be, was impossible. A famous dialectician of the Megaric Sect, named Diodorus, gave a negative answer to the first of these two questions and an affirmative to the second; but Chrysippus vehemently opposed him. Here are two passages of Cicero (epist. 4, lib. 9, Ad Familiar.): "[Greek: peri dynaton] me scito [Greek: kata Diodoron krinein]. Quapropter si venturus es, scito [231] necesse esse te venire. Sin autem non es, [Greek: ton adynaton] est te venire. Nunc vide utra te [Greek: krisis] magis delectet, [Greek: Chrysippeia] ne, an haec; quam noster Diodorus [a Stoic who for a long time had lived in Cicero's house] non concoquebat." This is quoted from a letter that Cicero wrote to Varro. He sets forth more comprehensively the whole state of the question, in the little book De Fato. I am going to quote a few pieces (Cic., De Fato, p. m. 65): "Vigila, Chrysippe, ne tuam causam, in qua tibi cum Diodoro valente Dialectico magna luctatio est, deseras ... omne ergo quod falsum dicitur in futuro, id fieri non potest. At hoc, Chrysippe, minime vis, maximeque tibi de hoc ipso cum Diodoro certamen est. Ille enim id solum fieri posse dicit, quod aut sit verum, aut futurum sit verum; et quicquid futurum sit, id dicit fieri necesse esse; et quicquid non sit futurum, id negat fieri posse. Tu etiam quae non sint futura, posse fieri dicis, ut frangi hanc gemmam, etiamsi id nunquam futurum sit: neque necesse fuisse Cypselum regnare Corinthi, quamquam id millesimo ante anno Apollinis Oraculo editum esset.... Placet Diodoro, id solum fieri posse, quod aut verum sit, aut verum futurum sit: qui locus attingit hanc quaestionem, nihil fieri, quod non necesse fuerit; et quicquid fieri possit, id aut esse jam, aut futurum esse: nec magis commutari ex veris in falsa ea posse quae futura sunt, quam ea quae facta sunt: sed in factis immutabilitatem apparere; in futuris quibusdam, quia non apparent, ne inesse quidem videri: ut in eo qui mortifero morbo urgeatur, verum sit, hic morietur hoc morbo: at hoc idem si vere dicatur in eo, in quo tanta vis morbi non appareat, nihilominus futurum sit. Ita fit ut commutatio ex vero in falsum, ne in futuro quidem ulla fieri possit." Cicero makes it clear enough that Chrysippus often found himself in difficulties in this dispute, and that is no matter for astonishment: for the course he had chosen was not bound up with his dogma of fate, and, if he had known how, or had dared, to reason consistently, he would readily have adopted the whole hypothesis of Diodorus. We have seen already that the freedom he assigned to the soul, and his comparison of the cylinder, did not preclude the possibility that in reality all the acts of the human will were unavoidable consequences of fate. Hence it follows that everything which does not happen is impossible, and that there is nothing possible but that which actually comes to pass. Plutarch (De Stoicor. Repugn., pp. 1053, 1054) discomfits him completely, on that point as well as on the dispute [232] with Diodorus, and maintains that his opinion on possibility is altogether contrary to the doctrine of fatum. Observe that the most eminent Stoics had written on this matter without following the same path. Arrian (in Epict., lib. 2, c. 29, p. m. 166) named four of them, who are Chrysippus, Cleanthes, Archidemus and Antipater. He evinces great scorn for this dispute; and M. Menage need not have cited him as a writer who had spoken in commendation of the work of Chrysippus [Greek: peri dynaton] ("citatur honorifice apud Arrianum", Menag. in Laert., I, 7, 341) for assuredly these words, "[Greek: gegraphe de kai Chrysippos thaumastos], etc., de his rebus mira scripsit Chrysippus", etc., are not in that connexion a eulogy. That is shown by the passages immediately before and after it. Dionysius of Halicarnassus (De Collocat. Verbor., c. 17, p. m. 11) mentions two treatises by Chrysippus, wherein, under a title that promised something different, much of the logicians' territory had been explored. The work was entitled "[Greek: peri tes syntaxeos ton tou logou meron], de partium orationis collocatione", and treated only of propositions true and false, possible and impossible, contingent and equivocal, etc., matter that our Schoolmen have pounded down and reduced to its essence. Take note that Chrysippus recognized that past things were necessarily true, which Cleanthes had not been willing to admit. (Arrian, ubi supra, p. m. 165.) "[Greek: Ou pan de parelelythos alethes anankaion esti, kathaper hoi peri Kleanthen pheresthai dokousi]. Non omne praeteritum ex necessitate verum est, ut illi qui Cleanthem sequuntur sentiunt." We have already seen (p. 562, col. 2) that Abelard is alleged to have taught a doctrine which resembles that of Diodorus. I think that the Stoics pledged themselves to give a wider range to possible things than to future things, for the purpose of mitigating the odious and frightful conclusions which were drawn from their dogma of fatality.'
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topics: doubt, skepticism, and certainty · fate, destiny, and necessity

Theodicy · Gottfried Wilhelm Leibniz, Freiherr von · 1710–1711