In philosophical logic, the concept of an impossible world (sometimes non-normal world) is used to model certain phenomena that cannot be adequately handled using ordinary possible worlds. An impossible world, w, is the same sort of thing as a possible world (whatever that may be), except that it is in some sense "impossible." Depending on the context, this may mean that some contradictions are true at w, that the normal laws of logic or of metaphysics fail to hold at w, or both.
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Famous quotes containing the words impossible and/or world:
“The author’s hegemony must be broken. It is impossible to go too far in fanatical self-denial or fanatical self-renunciation: I am not I, but rather the street, the streetlights, this or that occurrence, nothing more. That’s what I call the style of stone.”
—Alfred Döblin (1878–1957)
“I pray that Allah may be moved
To drop sleep on her eyes because she loved.”
—Unknown. The Thousand and One Nights.
AWP. Anthology of World Poetry, An. Mark Van Doren, ed. (Rev. and enl. Ed., 1936)