Alexander Pruss's Blog
Showing posts with label
Barcan formula
.
Show all posts
Showing posts with label
Barcan formula
.
Show all posts
Wednesday, March 2, 2022
What I think is wrong with the proof of the Barcan formula
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The Barcan formula says: ∀ x □ ϕ → □∀ x ϕ . The Barcan formula is dubious. Suppose, for instance, that the only things in existence are...
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