Some articles on worlds, world, accessible:
... a frame, which consists of a non-empty set, G, whose members are generally called possible worlds, and a binary relation, R, that holds (or not) between the possible worlds of G ... For example, w R v means that the world v is accessible from world w ... of all propositions at each of the worlds in G ...
Famous quotes containing the words worlds and/or accessible:
“Perchance the time will come when we shall not be content to go back and forth upon a raft to some huge Homeric or Shakespearean Indiaman that lies upon the reef, but build a bark out of that wreck and others that are buried in the sands of this desolate island, and such new timber as may be required, in which to sail away to whole new worlds of light and life, where our friends are.”
—Henry David Thoreau (18171862)
“The Sage of Toronto ... spent several decades marveling at the numerous freedoms created by a global village instantly and effortlessly accessible to all. Villages, unlike towns, have always been ruled by conformism, isolation, petty surveillance, boredom and repetitive malicious gossip about the same families. Which is a precise enough description of the global spectacles present vulgarity.”
—Guy Debord (b. 1931)