The fact that the succession threshold is much the same for all sensory modalities suggests that cross-modal integrative mechanisms may well exist.
For example, unlike for many other modal logics, formulas with nested modalities like □◊ p →□⊥ are not problematic, nor are there any disputes about which ones should be tautologies.
The increasing acceptance of Aristotle's philosophy gave support to traditional modal paradigms in logical treatises on modalities, in metaphysical theories of the principles of being, and in the discussions of causes and effects in natural philosophy.
That is, modalities can be freely used, but quantifiers cannot be applied to modal formulas (other propositional connectives such as negation and implication are shared).
Lycan (1988 , 1991 and others have disputed the claim that Lewis's account is free of any modalities and hence have questioned whether it really provides an analysis of our modal intuitive notions.
Modal logic can be viewed broadly as the logic of different sorts of modalities, or modes of truth: alethic ("necessarily"), epistemic ("it is known that"), deontic ("it ought to be the case that"), or temporal ("it has been the case that") among others.
We agreed on modalities on how to implement it.
However, in the universe of international organisations and agencies in Geneva, they could subvert and provoke highly significant and irreparable damage to the currently observed modalities of communication.
Three weeks after the disaster, the two countries are still haggling about the "modalities", apparently more interested in scoring political points than saving lives.
Moreover, the modalities of how banks could be recapitalised directly, and how to deal with legacy assets, have yet to be agreed.When banking union was launched at a summit in June, it was clearly aimed at helping Spain cope with the burden of recapitalising its banks by shifting the additional debt to the ESM.
In July the chairmen of the two key Doha-round committees one on agriculture, one on trade in non-farm goods put forward "draft modalities", documents that should form the basis of further discussion.
