Why they deny the intellect formal freedom: moral good and evil, praise and blame, belong to the will
Their main reason for denying the intellect formal freedom is that acting morally well or badly belongs to the faculty that is free formally and in itself.
In their judgment virtue and vice belong strictly to the will alone. No action deserves praise or blame, reward or punishment, except as it comes from the will.
Hence even the intellect's own operations count as sin or merit only so far as they are voluntary and in some fashion directed by the will.
Latin
X. Ut vero negent intellectum esse formaliter liberum, eo praecipue moventur quod bene, vel male moraliter agere proprium est ejus facultatis quae formaliter & per se libera est. Virtus autem & vitium proprie, ut ipsis videtur, ad solam voluntatem pertinent; neque ulla actio laudem, vel vituperium, praemium, vel poenam meretur, nisi quatenus a voluntate procedit. Adeo ut ipsius intellectus operationes peccati & meriti rationem non habeant, nisi in quantum voluntariae sunt, & certo quodam modo a voluntate imperantur.