Lewis, David

Philosopher American 1941 – 2001

Developed modal realism and possible worlds semantics.

440 quotes

"The extensions of predicates depend partly on conventional boundaries."
Knowledge
"Truthmaker theories must avoid profligate multiplication of entities."
Truth
"Causation requires a proper understanding of counterfactual dependence."
Wisdom
"Properties characterize the intrinsic natures of things."
Science
"Necessity is not a mysterious feature of abstract objects."
Philosophy
"Classes and sets are useful mathematical constructs, nothing more."
Knowledge
"Truth is grounded in the nature of things, not merely in language."
Truth
"The phenomenal character of mental states is not functionally determined."
Wisdom
"Experience has intrinsic properties that are not reducible to structure."
Science
"Modal realism provides the best account of modality available."
Imagination
"Objects are conventionally distinguished from their parts and boundaries."
Philosophy
"The vagueness in language reflects genuine indeterminacy in the world."
Knowledge
"Being and reality are fundamentally tied to the possible and actual."
Truth
"Causation connects events through chains of counterfactual dependence."
Wisdom
"The fundamental properties form the base of all other properties."
Science
"Metaphysical inquiry requires careful attention to logical structure."
Philosophy
"Convention sometimes creates facts where none naturally exist."
Knowledge
"Truthmakers ground propositions in the fundamental constituents of reality."
Truth
"The mind-body problem has no easy solution."
Wisdom
"Consciousness remains one of the deepest unsolved problems."
Science