Quote by Quine, Willard Van Orman
"Mathematical objects need not exist independently of our theorizing."
"Mathematical objects need not exist independently of our theorizing."
"To be is to be the value of a variable."
"The problem of induction is to justify the rules by which we project unobserved instances from observed ones."
"Ontology is what one says exists; ideology is how one says one determines what exists."
"There is no fact of the matter about how language actually carves up the world."