A secondary occurrence of a denoting phrase may … mere constituent of the proposition we are considering, … whole proposition concerned. The ambiguity as between primary … are on our guard against it. In symbolic … us to deal with the question whether the … [false if primary, true if secondary], and generally with the logical status of denoting phrases that … [false if primary, true if secondary] … Thus 'the present King of France is bald' … [primary]; and 'the present King of France is not bald' is … not bald', [primary] and is true if it … is bald'.
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