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The strong ultramodal claim
-- not so far vindicated --
is the expectedly brash one:
we can do everything you can do,
only better, and we can do more.
- R. Routley Ultralogic as Universal? 1977
Richard Sylvan (formerly Routley, 1935-1996) was an Australasian philosopher whose work continues to have a major impact in logic, metaphysics, environmental philosophy, and more.